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Dr. Teo Soleymani: How to Improve & Protect Your Skin Health & Appearance

By Scicomm Media

In this episode of the Huberman Lab podcast, Andrew Huberman and Dr. Teo Soleymani explore the science of skin health and aging. They discuss the biological processes involved in skin cell turnover and how stress and lifestyle factors like diet, sun exposure, and substance use can impact skin radiance and premature aging.

Soleymani and Huberman examine ways to protect and improve skin health through practical tips on safe sun exposure, beneficial sunscreens, and nutrition. They also delve into common skin conditions like acne, rosacea, eczema, and psoriasis, explaining their underlying causes and potential treatment approaches.

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Dr. Teo Soleymani: How to Improve & Protect Your Skin Health & Appearance

This is a preview of the Shortform summary of the Aug 19, 2024 episode of the Huberman Lab

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Dr. Teo Soleymani: How to Improve & Protect Your Skin Health & Appearance

1-Page Summary

The Biology and Health of Skin

Skin Science and Aging

The skin, our largest organ, turns over completely every 28 days, with stem cells generating new cells, according to Teo Soleymani. Stress impacts skin through vasoconstriction and premature aging from cortisol release. An anti-inflammatory diet and mitigating stressors benefit skin health.

Lifestyle Factors and Skin

Andrew Huberman highlights red light therapy's benefits like improved acne, wound healing, and skin radiance. He notes the gut-skin connection, recommending an anti-inflammatory, high-protein diet for optimal skin. Soleymani links diet changes like sugar binges to breakouts.

Caffeine and nicotine are vasoconstrictors, while alcohol dehydrates skin. Soleymani dispels hydration myths, stating skin moisture is genetic, requiring proper moisturizers for those prone to dryness.

Sun Exposure and Protection

Benefits and Risks

Moderate sun exposure aids vitamin D, mood, and focus, per Soleymani. However, excess unprotected exposure risks burns, aging, and skin cancer, though genetics also play a role.

Safe Sun Protection

Mineral sunscreens with zinc oxide or titanium dioxide are safer than chemical versions, which may disrupt hormones, especially for children. Huberman and Soleymani also recommend physical barriers like clothing, hats, and polypodium supplements.

Common Skin Conditions

Acne

Caused by excess sebum, bacteria, and inflammation. High-glycemic foods worsen acne. Treatments target all three factors. Popping pimples risks scarring.

Rosacea and Eczema

Rosacea stems from flushing triggers, microbes, and immune issues. Eczema involves a defective skin barrier.Treatments restore barriers and target immune responses.

Psoriasis

An autoimmune condition causing rapid skin turnover. Newer targeted drugs and UV therapy effectively treat it, alongside reducing inflammation through diet.

1-Page Summary

Additional Materials

Clarifications

  • Vasoconstriction is the narrowing of blood vessels, reducing blood flow to the skin. This can lead to decreased oxygen and nutrient delivery to skin cells. Vasoconstriction can be triggered by factors like stress, caffeine, and nicotine, impacting skin health and potentially contributing to premature aging. Maintaining healthy blood flow to the skin is crucial for its overall well-being and appearance.
  • The gut-skin connection highlights the relationship between gut health and skin conditions. The balance of gut bacteria can influence inflammation and immune responses in the skin. A healthy gut microbiome can contribute to overall skin health and may impact conditions like acne, eczema, and rosacea. Dietary changes that support gut health, such as consuming probiotics and a balanced diet, can potentially improve skin conditions.
  • High-glycemic foods, like sugary snacks and processed carbohydrates, can lead to spikes in blood sugar levels. These spikes trigger a cascade of hormonal responses, including increased [restricted term] production. Elevated [restricted term] levels can stimulate oil production in the skin, potentially worsening acne. Choosing low-glycemic foods can help maintain more stable blood sugar levels and may be beneficial for managing acne.
  • Popping pimples can lead to scarring because the act of squeezing or picking at a pimple can cause trauma to the skin, leading to inflammation and potential damage to the surrounding tissue. This can result in the skin not healing properly, increasing the likelihood of scarring. It's best to avoid popping pimples and instead opt for proper skincare and acne treatments to prevent scarring.
  • Rosacea triggers can include factors like spicy foods, alcohol, sunlight, stress, and certain skincare products. These triggers can lead to flushing and inflammation in individuals with rosacea. The immune system in rosacea may play a role in the chronic inflammation and skin symptoms associated with the condition. Treatments for rosacea often aim to address both triggers and immune responses to manage symptoms effectively.
  • UV therapy for psoriasis involves exposing the skin to ultraviolet light, which can help slow down the rapid skin cell turnover seen in psoriasis. This treatment is often used when other treatments have not been effective, and it can be done in a medical setting under controlled conditions. UV therapy for psoriasis can help reduce inflammation and improve the appearance of the skin affected by psoriasis. It is important to follow the treatment plan prescribed by a healthcare provider to ensure its effectiveness and safety.

Counterarguments

  • The skin regeneration cycle can vary significantly among individuals and may not strictly adhere to a 28-day turnover rate for everyone.
  • The relationship between stress and skin aging is complex, and while cortisol has been implicated in the aging process, other factors such as genetics and environmental exposures also play significant roles.
  • The efficacy of an anti-inflammatory diet for skin health can vary from person to person, and there is no one-size-fits-all dietary recommendation for improving skin conditions.
  • The benefits of red light therapy are still being researched, and while some studies show promise, it may not be effective for everyone and for all claimed benefits.
  • The gut-skin connection is an emerging field of study, and while there is evidence to suggest a link, the mechanisms and extent of this relationship are not fully understood.
  • The impact of dietary changes on skin conditions like acne is still a subject of research, and while some may benefit from reducing sugar intake, others may not see any change.
  • The role of genetics in skin moisture and the effectiveness of moisturizers can be more complex than simply being prone to dryness.
  • The benefits of moderate sun exposure must be balanced with the risk of skin damage, and the optimal amount of sun exposure can vary widely among individuals.
  • The safety and efficacy of mineral sunscreens compared to chemical sunscreens are debated, and some chemical sunscreens have been deemed safe by various health authorities.
  • While physical barriers can provide sun protection, they may not be practical or sufficient for all types of sun exposure and all skin types.
  • The causes of acne are multifactorial, and while diet may play a role, it is not the sole contributor to the development of acne.
  • The treatment of skin conditions like rosacea, eczema, and psoriasis is highly individualized, and what works for one person may not work for another.
  • The effectiveness of targeted drugs and UV therapy for psoriasis can vary, and not all patients may respond to these treatments. Additionally, dietary changes may help some individuals but not others.

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Dr. Teo Soleymani: How to Improve & Protect Your Skin Health & Appearance

The biology and health of skin

The biology and health of the skin, being the largest and most dynamic organ with complete turnover every 28 days, are discussed by experts emphasizing the effects of red light therapy, lifestyle factors, and diet.

Skin is the largest and most dynamic organ in the body, with a complete turnover of cells every 28 days.

Skin receives connections from the nervous system, so stress can impact its appearance through immediate effects like changes in blood flow as well as long-term effects like breakdown of collagen and elastin.

Soleymani notes that we have brand new skin approximately every month, with stem cells in the lowest portion of the epidermis continually generating new cells. The skin responds actively to acute stress, with immediate vasoconstriction resulting in paler skin, and to chronic stress, with cortisol release that can lead to premature aging and deterioration in dermis and fat quality. Improvements in skin health can be observed when stressors are mitigated.

Lifestyle factors like diet, exercise, sleep, and substance use can also profoundly impact skin health and appearance.

Caffeine and nicotine can cause short-term vasoconstriction, while alcohol can have dehydrating and inflammatory effects on the skin.

Andrew Huberman speaks to the benefits of red light therapy on skin health, such as improvements in acne, skin health, and wound healing. Connection between the gut microbiome and skin health is highlighted, with an anti-inflammatory diet shown to mitigate skin diseases like psoriasis, eczema, and acne. A high-protein, anti-inflammatory diet is recommended for optimal skin health.

Soleymani describes that supplementation like creatine can make individuals look bigger due to the increase in blood or plasma osmolality, which draws water into the vessels and improves skin appearance temporarily. He mentions personal experiences that suggest a correlation between diet and skin health, such as sugar binges causing breakouts.

The experts discuss the impact of caffeine and nicotine, both known vasoconstrictors, on skin appearance and health. Chronic caffeine intake can potentially lead to vasodilation and increased sebum production, with individuals with conditions like rosacea being more sensitive to effects on skin color and vasoconstriction. Nicotine from smoking has a significant vasoconstrictive impact, leading to faster aging and poorer wound ...

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The biology and health of skin

Additional Materials

Clarifications

  • The skin undergoes a continuous process of shedding old skin cells and generating new ones. This turnover cycle typically takes around 28 days to complete. During this time, new skin cells are constantly produced in the lower layers of the skin, gradually moving to the surface before being shed.
  • Stress can impact the skin immediately by causing changes in blood flow, leading to paler skin due to vasoconstriction. Long-term effects of stress on the skin can include the breakdown of collagen and elastin, which are essential for skin elasticity and firmness. Stress can also trigger the release of cortisol, a hormone that can contribute to premature aging and deterioration in the dermis and fat quality. Mitigating stressors can help improve overall skin health and appearance.
  • Caffeine and nicotine are substances that can cause vasoconstriction, which is the narrowing of blood vessels. Vasoconstriction from caffeine can potentially lead to increased sebum production and changes in skin color. Nicotine, particularly from smoking, has a significant vasoconstrictive impact, affecting skin health and contributing to faster aging.
  • Red light therapy is a non-invasive treatment that uses low-level red light wavelengths to promote skin health. It can help improve acne, skin texture, and wound healing by stimulating cellular processes. The therapy is believed to increase collagen production, reduce inflammation, and enhance circulation in the skin, leading to overall skin rejuvenation. Red light therapy is considered safe and effective for various skin concerns when used appropriately.
  • The gut microbiome plays a crucial role in skin health by influencing inflammation levels and immune responses in the body. A balanced gut microbiome can help prevent skin conditions like psoriasis, eczema, and acne. An anti-inflammatory diet can support a healthy gut microbiome, leading to improved skin health. The connection between gut health and skin conditions highlights the importance of maintaining a diverse and healthy gut microbiome for overall skin well-being.
  • Diet plays a crucial role in skin health as certain foods can impact skin conditions like acne, eczema, and psoriasis. An anti-inflammatory diet rich in nutrients can help improve skin health and appearance. Conversely, substances like caffeine, nicotine, and alcohol can have negative effects on the skin due to their dehydrating or inflammatory properties. Understanding the relationship between diet and skin health can lead to better skincare outcomes.
  • Creatine supplementation can temporarily improve skin appearance by increasing blood or plasma osmolality, drawing water into blood vessels and enhancing skin's look. This effect can make individuals appear bigger due to the temporary changes in skin hydration. However, it's important to note that this enhancement is temporary and doesn't directly impact skin hydration levels in the long term. Excessive creatine supplementation may have other effects on the body beyond skin appearance.
  • Chronic caffeine intake can potentially lead to vasodilation and increased sebum production in the skin. Individuals with conditions like rosacea may be more sensitive to the effects of caffeine on skin color and vasoconstriction. This sensitivity can result in changes in skin appearance and health over time.
  • Nicotine from smoking has a significant vasoconstrictive impact on the skin, leading to reduced blood flow and oxygen delivery, which can result in faster aging and poorer wound healing. Chronic exposure to nicotine can contribute to skin issues like decreased elasticity, increased wrinkling, and a dull complexion. Individuals with conditions like rosacea may be more sensitive to the effects of nicotine on skin color and vasoconstriction. Lower concentrations of nicotine from sourc ...

Counterarguments

  • While skin cell turnover is often cited as occurring every 28 days, this rate can vary significantly among individuals and with age, potentially slowing down as people get older.
  • The relationship between stress and skin health is complex, and while stress can have negative effects, not all skin conditions are directly caused or exacerbated by stress.
  • The impact of lifestyle factors on skin health is not uniform across all individuals, and genetic predispositions can play a significant role in how one's skin reacts to diet, exercise, sleep, and substance use.
  • The effects of caffeine and nicotine on skin are dose-dependent, and moderate consumption might not have as severe effects as implied; some studies suggest that caffeine, in particular, may have antioxidant properties that could be beneficial for the skin.
  • The benefits of red light therapy for skin health are supported by some studies, but more research is needed to fully understand its effects and establish standardized treatment protocols.
  • The connection between the gut microbiome and skin health is an emerging field of study, and while diet can influence this relationship, it is not the sole factor in managing skin diseases.
  • Recommendations for a high-protein, anti-inflammatory diet may not be suitable for everyone, as individual nutritional needs and responses to dietary changes can vary.
  • The temporary improvement in skin appearance from creatine supplementation may not be beneficial in the long term and could be misleading regarding the actual health of the skin.
  • The assertion that sugar binges cause breakouts is not universally accepted, as the relationship between diet and acne is complex and not fully understood.
  • The claim that chronic caffeine intake leads to vasodilation and increased sebum production may not apply to all individuals and could be influenced by other factors such as genetics and overall health.
  • The statement that nicotine from smoking has a significant vasoconstrictive impact is generally accepted, but the degree to whi ...

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Dr. Teo Soleymani: How to Improve & Protect Your Skin Health & Appearance

Sun exposure, protection, and its relationship to skin health and appearance

The discussion highlights the complexities of sun exposure, including its benefits and risks, with advice on how to best protect skin health.

Moderate sun exposure can have beneficial effects on mood, focus, and skin health, but excessive or unprotected sun exposure can accelerate skin aging and increase skin cancer risk.

Teo Soleymani discusses the benefits of moderate sun exposure, noting its positive effects on Vitamin D synthesis, mood, and aesthetics. However, he warns against long exposure that leads to skin redness, indicating a risk of UV damage. Despite popular belief attributing most serious skin cancers to chronically exposed areas, genetics and the immune system play significant roles in skin cancer development. Rather than feeling guilt about past sun exposure, it’s crucial to recognize that some factors are beyond control.

Mineral-based sunscreens that contain zinc oxide or titanium dioxide are generally considered safer and more effective than chemical sunscreens, which may have concerning absorption patterns.

Andrew Huberman and Teo Soleymani discuss various forms of sun protection. For moderate exposure, mineral-based sunscreens with zinc oxide or titanium dioxide are recommended. Soleymani advises against chemical sunscreens for children due to concerns about hormone disruption. The FDA's updated guidance suggests shifting to mineral-based options for safer, more effective sun protection.

In addition to topical sunscreens, physical barriers like clothing, hats, and supplements like polypodium can also provide effective sun protection.

Apart from sunscreens, Soleymani and Huberman suggest using physical ba ...

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Sun exposure, protection, and its relationship to skin health and appearance

Additional Materials

Counterarguments

  • While moderate sun exposure may have benefits, the definition of "moderate" can vary widely among individuals, depending on skin type, geographic location, and existing health conditions.
  • The relationship between sun exposure and mood or focus is complex and may not be as direct as implied; other factors like physical activity and the environment also play significant roles.
  • The assertion that mineral-based sunscreens are safer and more effective than chemical sunscreens is subject to ongoing research and debate; some chemical sunscreens have been used safely for years and offer broad-spectrum protection.
  • Concerns about the absorption patterns of chemical sunscreens may be overstated, as regulatory agencies like the FDA conduct rigorous reviews to ensure the safety of sunscreen ingredients before they are approved for use.
  • Physical barriers are effective but may not be practical or comfortable in all settings or climates, and they can also fail to protect against indirect UV exposure, such as from reflections.
  • Supplements like polypodium require more research to conclusively determine their efficacy and safety ...

Actionables

  • You can create a personalized sun exposure schedule by tracking the UV index in your area and planning short outdoor activities accordingly. Use a weather app that provides real-time UV index information to determine the safest times for sun exposure, aiming for periods when the index is low (1-2) to enjoy the sun's mood-boosting benefits without increasing skin cancer risk.
  • Develop a DIY sun-protective clothing line for your personal use by purchasing UV-blocking fabric and following simple sewing tutorials online. Choose patterns and styles that cover most of your skin, such as long-sleeve shirts and wide-brimmed hats, and use the fabric to create custom pieces that reflect your personal style while offering effective sun protection.
  • Experiment with creat ...

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Dr. Teo Soleymani: How to Improve & Protect Your Skin Health & Appearance

Common skin conditions and their underlying causes

Teo Soleymani, Myles E. Johnson, and Kaya Henderson discuss various well-known skin conditions like acne, eczema, psoriasis, and rosacea, their causes, and treatment options.

Acne is caused by a combination of excess sebum production, bacterial overgrowth, and an overactive immune response, with diet playing a key role.

Soleymani explains that acne develops from an overproduction of sebum influenced by hormonal factors, which acts as food for bacteria. This proliferation of bacteria elicits an immune response leading to the red, inflamed zits characteristic of acne. Treatments aim to address all three components: reducing sebum, eliminating bacteria, and calming the immune response.

Foods with a high glycemic index can make acne worse, as sugary processed foods can drive inflammatory responses that worsen the condition. Andrew Huberman suggests that patterns of eating that affect [restricted term] and factors like mTOR can affect acne; foods lowering blood glucose and reducing inflammation could help manage the condition.

Retinoids, both oral and topical forms, are still first-line treatments for acne. They dry out oil glands and heal the skin. Soleymani cautions against popping pimples, as it can lead to scarring by increasing immune response and activity of enzymes that break down skin structure, potentially creating permanent marks on the skin. If intervention is needed, a warm compress or gentle stretching, rather than pushing, is advised to lessen trauma.

Avoiding high glycemic index foods and skim dairy products can help manage acne, while popping pimples should generally be avoided as it can lead to scarring.

Soleymani specifically emphasizes that high glycemic index foods exacerbate acne by driving sebum production and bacterial growth. Popping pimples, although gratifying, can lead to acne scars due to an enhanced immune response. Instead, treatments should focus on dietary management and safer methods to address outbreaks.

Rosacea and eczema are immune-mediated skin conditions, with genetic and environmental factors playing a role in their development.

Rosacea comes in four varieties, with redness and flushing or pimples being the most common. Soleymani explains that alcohol, UV light, and stress factors that cause flushing can trigger rosacea, with skin organisms and immune dysregulation also playing a part. Treatment options include creams and laser therapy for redness, and medications for breakouts.

Eczema falls under the umbrella of atopic dermatitis or sensitive skin and develops partly due to a gene causing a defect in the skin barrier. Avoiding environmental triggers and moisturizing to seal the barrier are key treatments. Topical steroids and other medications may also modulate the immune response in severe cases.

Managing triggers, restoring the skin barrier, and using targeted medications are important strategies for these conditions.

For rosacea, laser destruction of blood vessels ca ...

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Common skin conditions and their underlying causes

Additional Materials

Clarifications

  • mTOR, short for mammalian target of rapamycin, is a protein that plays a crucial role in regulating various cellular processes like cell growth, proliferation, and survival. It forms two distinct protein complexes, mTOR complex 1 and mTOR complex 2, each with specific functions in the cell. mTOR is a kinase that acts as a signaling hub, integrating information about the cell's environment to make decisions about growth and metabolism. It is involved in processes like protein synthesis, autophagy, and transcription, impacting overall cell function and health.
  • Keratolytics are medications used to remove warts, calluses, and other skin lesions by thinning the outer layer of the skin, causing it to shed. These treatments can also soften keratin in the skin, improving moisture retention and aiding in conditions like dry skin, dandruff, and seborrheic dermatitis. Common keratolytic agents include salicylic acid, urea, lactic acid, and sulfur, which work by different mechanisms to promote skin shedding and hydration.
  • Biologic drugs are a type of medication made from living organisms or their components, like proteins or antibodies. They are often used to treat conditions like autoimmune diseases and certain types of cancer. Biologics are different from traditional chemical-based drugs and are typically more complex in structure. They work by targeting specific molecules in the body's immune system to help manage or treat various medical conditions.
  • UV light therapies, also known as ultraviolet light therapy, involve exposing the skin to controlled wavelengths of ultraviolet light to treat various skin conditions like psoriasis, eczema, and acne vulgaris. This treatment can be administered in a medical setting or at home using specialized equipment. UV light therapy works by targeting affected a ...

Counterarguments

  • While diet is implicated in acne, it's important to note that the relationship between diet and acne is complex and individual responses can vary; not everyone with acne will benefit from dietary changes.
  • The role of diet in acne is still a subject of research, and while some studies suggest a link between high glycemic foods and acne, others find no significant connection, indicating that more research is needed to understand the relationship fully.
  • Retinoids are effective for many people with acne, but they can also cause side effects such as skin irritation and increased sensitivity to sunlight; thus, they may not be suitable for everyone.
  • The text suggests avoiding popping pimples to prevent scarring, but there are professional extraction methods performed by dermatologists that can safely remove pimples without causing scars.
  • The statement that rosacea can be triggered by alcohol and UV light does not account for the fact that triggers can be highly individual, and some patients may not experience exacerbation of symptoms from these factors.
  • While genetic factors play a role in eczema, it's also important to recognize the significance of environmental factors, such as irritants and allergens, which can be just as crucial in managing the condition.
  • The effectiveness of biologic drugs for psoriasis is highlighted, but it's worth noting that these treatments can be expensive and may not be accessible to all patie ...

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