Stress and Hair Loss: What Telogen Effluvium Is
A stressful event can trigger heavy shedding a few months later. Here’s how telogen effluvium works, how long it lasts, and what helps.
A stressful event can trigger heavy shedding a few months later. Here’s how telogen effluvium works, how long it lasts, and what helps.
Supplements range from 30 mcg to 10,000 mcg of biotin. Here is what the evidence says about dose for hair, and why more isn’t automatically better.
A trial-by-trial look at what collagen studies measured for wrinkles, elasticity and hydration, how they were designed and why funding and study quality change the conclusion.
Postpartum shedding usually peaks around four months after birth and settles by your baby’s first birthday. Here’s what’s happening and what actually helps.
Biotin is the best-known hair vitamin, but the research behind it is surprisingly thin. Here is what the biotin-specific studies actually found.
Morning or night? Empty stomach or with food? Here's what research says about collagen timing, and why consistency matters more than the clock.
Hair, skin & nails gummies are generally well tolerated, but biotin can skew lab tests and some ingredients matter for allergies and pregnancy. Here’s what to know.
Biotin is famous for hair, but its real day job is metabolism. Here is what this B vitamin actually does in your body, and where the hype outruns the evidence.
Collagen is generally well tolerated in trials, but allergies, kidney stone risk and product quality are worth knowing about. Here's an honest safety rundown.
Hair, skin & nails gummies can help fill nutrient gaps, but the benefits are smaller for people who already eat well. Here’s an honest look at who benefits most.
Your body can't make collagen properly without vitamin C. Here's why the two are paired, whether you need to take them together and how much vitamin C you actually need.
Hair and nails grow slowly, so any change from a supplement takes months, not days. Here’s a realistic timeline based on the hair growth cycle.
Collagen is everywhere in hair marketing, but the human evidence for hair growth is thin. Here's what's known, what isn't and what actually matters for healthy hair.
Collagen for joints has more trial data than you might expect, and more caveats too. Here's what studies in athletes and people with knee osteoarthritis actually found.
Type I, type II, type III: what the numbers on collagen labels mean, where each type lives in your body and why the type matters less once collagen is hydrolyzed.
Collagen trials measured skin changes at 4 to 12 weeks, joints at around 12 to 24 weeks and nails at 24 weeks. Here's a realistic timeline, and why results aren't...