CYN SMITH

Everybody online is saying “relaxers cause cancer” but that’s not the full story. In this video, Cyn Doll breaks down the real science behind chemical hair straighteners, Black women’s health, and the uterine cancer study that’s all over the internet. Over 44,000 women were followed for 22 years, and only 347 were diagnosed less than 1%. So why is the internet acting like every relaxer is a death sentence? Let’s talk about what the study actually said, what it didn’t test, and how things...

The Dyson Airstrait: Is It Really Healthier for Your Hair? Everyone thinks the Dyson Airstrait is healthier because it doesn’t have hot plates. I think that’s the wrong question. Heat isn’t the only thing that damages hair. Hair damage is the result of multiple factors working together: heat, moisture, mechanical tension, frequency of manipulation, and how the hair’s internal structure is treated while it’s drying. The Dyson Airstrait combines three processes into one: Drying Stretching...

If you want to understand hair serums at the level of a trichologist, cosmetic chemist, and dermatologist, you have to separate marketing from evidence. The majority of cosmetic hair serums are designed to improve the scalp environment or hair fiber not actually regrow hair. Only a handful of ingredients have strong clinical evidence for stimulating follicles. Reviews consistently conclude that most “active” ingredients in commercial trichology products have limited or low-quality evidence....