Understanding My Skin

So many people complain of their skins reacting to what they use on it. Why does this happen? Most people do not know. They don't find it easy to understand the reaction they have.
This book will make people understand their skin better. It will teach young and old how to care for their skin.
In this book, you will learn what to use for your skin. You will learn how to apply the techniques on your skin.
The skin; composed of water, protein, lipids, and minerals, is the biggest organ in the body. Your skin controls body temperature and defends your body from pathogens.
You should understand and care for the biggest organ in your body. What happens if you don't examine the biggest organ in your body?
An unexamined life is not worth living, said a famous philosopher.
How knowledgeable are you of the biggest organ in the body?