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Analyzing the Laser-Light Reflection from Human Hair Fibers: Light Components Underlying the Goniophotometric Curves and Fiber Cuticle Angles

research Analyzing the Laser-Light Reflection from Human Hair Fibers: Light Components Underlying the Goniophotometric Curves and Fiber Cuticle Angles

3 citations, July 2003 in “PubMed”

The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.

Efficacy and Safety of L-Cystine Associated or Not to a Natural Keratin (Kera-Diet) Hydrolysate on Hair and Nails: Randomized, Placebo-Controlled, Clinical Trial on Healthy Females

research Efficacy and Safety of L-Cystine Associated or Not to a Natural Keratin (Kera-Diet) Hydrolysate on Hair and Nails: Randomized, Placebo-Controlled, Clinical Trial on Healthy Females

January 2019 in “Journal of cosmetology & trichology”

L-Cystine and L-Cystine with Kera-Diet® safely improved hair and nail quality in healthy women.

research Analyzing the Laser-Light Reflection from Human Hair Fibers: Deriving a Measure of Hair Luster

11 citations, July 2004 in “International Journal of Cosmetic Science”

The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.

research Studies of Light Scattering from Ethnic Hair Fibers

7 citations, July 2004 in “International Journal of Cosmetic Science”

Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.

Review of the Current Understanding of the Effect of Ultraviolet and Visible Radiation on Hair Structure and Options for Photoprotection

research Review of the Current Understanding of the Effect of Ultraviolet and Visible Radiation on Hair Structure and Options for Photoprotection

22 citations, July 2004 in “International Journal of Cosmetic Science”

UV radiation and visible light can damage hair, but there are ways to protect it.

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community Bryan Johnson used a customized formula by Roots byGA to restore his hair

in Treatment 23 upvotes 1 month ago

Bryan Johnson used a customized hair restoration formula from Roots byGA, which includes Minoxidil, Cetirizine HCl, Latanoprost, Dutasteride, Melatonin, Caffeine, Tretinoin, Vitamin D3, and Vitamin E. Many users are skeptical of the effectiveness and uniqueness of the treatment, suggesting that standard treatments like Minoxidil and Dutasteride are more reliable.