Healthy Hair Habits: Washing, Heat Styling and What Really Damages Hair
How often should you wash your hair, and is your blow dryer the problem? Dermatologist-backed hair habits and what the research says about heat damage.
How often should you wash your hair, and is your blow dryer the problem? Dermatologist-backed hair habits and what the research says about heat damage.
Hair is built from what you eat, but more food isn’t always better. Here’s which nutrients actually matter for hair, where to find them, and when a supplement fits.
Biotin and collagen are the two biggest names in beauty supplements. Here is how they differ, what the evidence says about each for hair, and how to choose.
A realistic daily routine for healthier-looking hair, skin and nails: what to eat, how to care for them, and where a supplement fits.
Low iron, vitamin D, zinc and protein are all linked to hair thinning. Here’s what the research says and how to find out if one applies to you.
Research suggests hair shedding follows a seasonal rhythm, with more resting hairs in summer and more shedding by fall. Here’s what the studies show.
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.
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.
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.
Hair shedding while losing weight on a GLP-1 is common, well-documented, and usually explainable — here's what the research shows, and what actually helps.
An honest look at what's really behind most male hair thinning, and where a supplement realistically fits into the picture.
Hair growth supplements are one of the most heavily marketed categories out there, and one of the least honestly explained. Here's what biotin and collagen can actually do for hair,...