7 comments on âOcean Sunfish are the most useless animal (an epic rant)â. 1  Man alive, when are humans going to realize the world wasnât made for them? 2  So what if this animal grows as nothing more than a source of food for others.
The most important hormones affecting the health of skin, hair and nails are estrogen (especially in proportion to testosterone), thyroid hormones and cortisol. Estrogen: Not surprisingly, estrogen levels affect every part of the body, including hair, skin and nails.
Found This Helpful. Biotin, also called vitamin B7, is a hair friendly member of the B complex group. Responsible for a role in the production of keratin, a protein found in hair and nails, it is an important nutrient for preventing hair loss.