Oregon Cosmetology Certification Practice Exam 2026 - Free Cosmetology Certification Practice Questions and Study Guide

Vitamin B7, commonly known as Biotin, is particularly beneficial for healthy hair growth because it plays a crucial role in the production of keratin, a primary protein that makes up hair, skin, and nails. Biotin helps to improve the infrastructure and strength of hair follicles, which can lead to healthier and thicker hair. Additionally, it supports the nourishment of hair by promoting better circulation and providing essential nutrients to the follicles.

While other vitamins also contribute to general hair health, Biotin specifically targets the structural components of hair and assists in its growth, making it a vital nutrient for individuals looking to enhance their hair growth. For example, Vitamin A supports the production of sebum, which can keep hair moisturized but does not directly impact hair growth as Biotin does. Vitamin C aids in collagen production and protects hair from damage but is not directly involved in hair synthesis. Vitamin D is linked to hair follicle cycling but does not have the same direct relationship to hair growth as Biotin. Therefore, Biotin is recognized as a key vitamin for promoting healthy hair growth.