abdelhamid bou ikhessayen
Why Your Skin & Hair Isnt Working
We break down skincare and haircare myths using real research, dermatologist sources, and ingredient science — so you know what actually works and what doesn’t.
Where to listen?
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Episodes
Why Some People Can Use Anything and You Can’t 18.01.2026 41:17
This Episode explore the complex relationship between biological systems, genetics, and environmental factors in determining human health and disease. They examine how genomic diversity and enzymatic variations , such as those in the CYP2B6 and FLG genes , influence everything from drug metabolism and personalized therapy to the development of atopic dermatitis . Research also highlights the physi...
Dermatologist Advice vs Internet Advice 17.01.2026 39:24
This Episode examine the complex intersection of modern technology and dermatological health , highlighting the risks of viral social media trends that often encourage children and teens to use inappropriate, multi-step skincare routines. While digital platforms offer widespread patient education , experts warn that non-professional "dermfluencers" frequently spread misinformation and promote unve...
Why TikTok Skincare Advice Is So Conflicting 16.01.2026 29:55
TikTok has become a powerful hub for beauty and skincare , where viral trends and influencer endorsements significantly impact consumer purchasing decisions and brand awareness. While the platform offers innovative marketing opportunities for companies through affiliate programs and user-generated content, medical experts warn of the risks associated with misinformation and unverified DIY hacks. D...
Skincare Ingredients That Sound Scientific but Aren’t 15.01.2026 34:05
This Episode explore the intersection of dermatological science , innovative ingredients , and the marketing of anti-aging products . While brands promote high-end additives like gold, pearls, and plant stem cells to imply luxury and efficacy, experts and legal documents highlight a significant lack of clinical proof for many of these claims. Research focuses on advanced technologies such as DNA r...
Natural Haircare Myths the Internet Keeps Repeating 14.01.2026 36:19
This Episode provide a comprehensive look at modern hair health , blending scientific research with consumer trends and regulatory updates. They evaluate the efficacy of popular treatments like rosemary oil and onion juice , noting that while some botanical options show clinical promise, others remain strictly anecdotal. The texts further explain the biological stages of hair growth and the concep...
Is Washing Hair Too Often Actually Bad? 13.01.2026 37:12
thought These Episode we analyze the complex relationship between scalp hygiene , environmental factors , and hair structural integrity . While over-washing can lead to hygral fatigue and stripped natural oils, infrequent cleansing may cause sebum oxidation , dandruff , and oxidative stress . The texts emphasize that hard water further complicates care by leaving mineral deposits that weaken stran...
Protein Overload: When Haircare Backfires 12.01.2026 36:23
This Episode explore the biological structure of human hair and the essential balance between protein and moisture required for its health. Technical studies examine how keratin and surfactants interact with the hair shaft, while clinical guides describe diagnostic tools like trichograms and trichoscopy used to evaluate scalp conditions. A significant portion of the text is dedicated to protein ov...
Heat Damage: Is Your Hair Already Ruined? 11.01.2026 33:31
This Episode provide a comprehensive analysis of hair health management , focusing on the diagnosis, prevention, and restoration of heat and chemical damage . They explain how high temperatures and harsh treatments degrade the cuticle and cortex , leading to irreversible protein denaturation and moisture loss. To combat these issues, the texts highlight the importance of scientifically-backed ingr...
Scalp Oils: Ancient Wisdom or Modern Marketing? 10.01.2026 38:53
Scientific research and industry reports emphasize that scalp health is the foundation for hair vitality and effective transdermal drug delivery. Various botanical oils and extracts are being studied for their ability to repair the skin barrier , reduce inflammation, and stimulate follicles via unique penetration pathways. Studies suggest that natural alternatives like rosemary and peppermint oils...
Dandruff vs Dry Scalp: Most People Get This Wrong 09.01.2026 30:13
This Episode provide a comprehensive analysis of scalp and hair health , emphasizing the critical distinctions between dandruff and dry scalp . Experts highlight that while dryness stems from a lack of moisture , dandruff is often driven by excessive oil and the overgrowth of Malassezia yeast . Maintaining a healthy environment requires avoiding harsh chemical ingredients like sulfates and paraben...
Your Scalp Is Skin Too: Why It Matters 08.01.2026 34:53
This Episode examine the complex biological relationship between scalp health and the hair growth cycle , highlighting how the scalp functions as an extension of the skin. Scientific research details how environmental pollutants , oxidative stress , and aging contribute to hair thinning and conditions like alopecia or seborrheic dermatitis . The texts introduce the concept of " skinification ," wh...
Hair Loss Treatments The Scientific Truth 07.01.2026 41:15
This Episode provide a comprehensive overview of androgenetic alopecia and the clinical strategies used to manage hair loss. Research compares the effectiveness of platelet-rich plasma (PRP) preparation methods, suggesting that single-spin centrifugation may offer better results for increasing hair density than double-spin techniques. Pharmacological discussions focus on finasteride and minoxidil...
Hair Supplements: Scam or Science? 06.01.2026 40:41
This Episode analyze the relationship between nutritional intake and hair health , specifically highlighting how deficiencies in vitamins like D, C, and B-complex , or minerals such as zinc and iron , can trigger shedding. Medical experts emphasize that while targeted supplementation may assist those with proven deficiencies, excessive consumption of certain nutrients can actually be toxic and exa...
Does Minoxidil Actually Regrow Hair? 05.01.2026 37:25
This Episode provide a comprehensive analysis of androgenetic alopecia , examining the biological mechanisms of hair loss and the clinical effectiveness of various interventions. Research indicates that minoxidil remains a primary treatment, with studies comparing different concentrations and delivery methods like topical foams and oral tablets . The text highlights how minoxidil functions by open...
Stress, Hormones, and Hair Shedding Explained 04.01.2026 43:13
Healthy hair growth is a complex process influenced by nutritional status, hormonal balance, and psychological health . These sources highlight that deficiencies in essential vitamins like B, C, D, and E , along with minerals such as iron and zinc , can trigger significant shedding or brittle strands. Beyond nutrition, hormonal fluctuations involving DHT, estrogen, and thyroid activity play a crit...
Why Hair Loss Starts Earlier Than Ever 03.01.2026 43:22
This Episode provide a multidimensional analysis of hair loss , focusing on the rising prevalence of early-onset androgenetic alopecia among Gen Z and Millennial populations. The research examines diverse triggers, ranging from environmental stressors like air pollution, blue light, and hard water to lifestyle factors such as sleep deprivation and the consumption of ultra-processed foods . The tex...
Minimal Skincare vs 10-Step Routines: What Science Says 02.01.2026 24:43
This Episode examine the evolution of skincare from a basic health necessity to a complex modern phenomenon with significant psychological and physiological impacts. Researchers highlight how advanced multi-step routines can provide measurable improvements in hydration and anti-aging , yet they also warn that overindulgence may lead to behavioral addiction , financial stress , and skin barrier dam...
Skincare Trends That Sound Smart but Do Nothing 01.01.2026 30:41
This Episode analyze the intersection of dermatological science , marketing claims , and consumer safety within the modern beauty industry. They highlight clinically proven essentials like broad-spectrum sunscreen, retinoids, and antioxidants, while simultaneously debunking unproven trends such as snail mucin, plant stem cells, and questionable beauty gadgets. Experts warn against the risks of at-...
Is Sunscreen More Important Than Any Serum? 31.12.2025 30:55
This Episode Talk About Maintaining a healthy complexion requires a consistent regimen of cleansing, moisturizing, and sun protection tailored to specific skin types and seasonal changes. Modern dermatological research emphasizes the use of sunscreen to prevent DNA damage and premature aging, with a distinction between mineral filters that reflect light and chemical filters that absorb it. Many co...
Do Anti-Aging Creams Really Work? 30.12.2025 40:49
This Episode examine the scientific and regulatory landscape of anti-aging skincare , focusing on the efficacy and safety of "cosmeceuticals" like retinoids, peptides, and vitamin C . These texts highlight a significant shift toward "skinimalism" and the prioritization of barrier health , noting that internal factors like nutrition and the gut-skin axis are vital for dermal integrity. Technical di...
Is “Clean Beauty” Actually Cleaner? 29.12.2025 38:12
This Episode examine the complex regulatory, health, and environmental landscape of the global cosmetics industry. Authors highlight a significant regulatory divide between the European Union’s strict bans and the United States’ evolving framework under MoCRA , which aims to enhance FDA oversight and product safety. Central to the discussion are the risks of toxic ingredients , such as heavy metal...
Fragrance in Skincare: Harmless or Hidden Irritant? 28.12.2025 35:35
This Episode examine the multifaceted role of essential oils and fragrance ingredients within the cosmetic industry, highlighting their therapeutic benefits and safety risks . These sources detail how natural extracts can provide antimicrobial and anti-inflammatory effects to treat conditions like acne and aging , yet they also warn of allergic contact dermatitis and skin sensitization . Regulator...
Why Sensitive Skin Reacts to Everything? 27.12.2025 33:31
This Episode examine the complex nature of sensitive skin (SS) and dermatitis , identifying them as conditions driven by a combination of genetic , neurogenic , and environmental factors. Research highlights that SS involves neurogenic inflammation and hypersensitivity of sensory nerve fibers , particularly involving TRP channels and overactive mast cells . External triggers such as pollution , UV...
Adult Acne: Why Breakouts Get Worse After 25 26.12.2025 42:54
These sources provide a comprehensive analysis of acne vulgaris , exploring its biological causes, diverse clinical presentations, and modern management strategies. The text highlights how bacterial colonization and hormonal fluctuations drive inflammation, while detailing various medical treatments ranging from topical retinoids to systemic therapies like isotretinoin. Emerging research examines...
Adult Acne: Why Breakouts Get Worse After 25 25.12.2025 30:00
The provided sources examine the biological and environmental drivers of skin conditions, with a primary focus on the pathophysiology and treatment of acne across different life stages. Research highlights how hormonal fluctuations —particularly elevated androgens—stimulate the sebaceous glands to produce excess oil, a process central to both adolescent breakouts and adult conditions like PCOS . W...
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