1. Epidermis (Outer Layer) Composition : Primarily made up of keratinocytes, which produce keratin (a protein that str…
Notes on Sunscreen Products Sunscreen is a topical product designed to protect the skin from the harmful effects of ul…
What is SPF? SPF (Sun Protection Factor) is a measure of how well a sunscreen protects your skin from UVB rays, which …
Notes on Shaving Soaps 1. Introduction to Shaving Soaps: Shaving soaps are traditional grooming products used to crea…