research Effect of alpha-tocopheryl acetate, retinyl palmitate, and phytantriol on hair protection 1 citations , December 2022 in “Journal of applied biological chemistry” TRP-hair essence protects hair from heat damage, maintains color, and strengthens hair.
research Effects of Hair Essence Containing Vitamin E, Vitamin A, and Phytantriol on Hair Quality December 2023 in “Asian journal of beauty & cosmetology”
research Cosmetic Eyebrow Tattoo Removal Using a Q-Switched Ruby Laser: A Case Report February 2026 in “Cureus” The Q-switched ruby laser effectively lightened eyebrow tattoos but may reduce eyebrow hair density.