organic beauty products are generally chemical free. It does not affect your skin. Some reasons has been mention below regarding why should we use organic beauty products:

Absorption : Organic beauty products can easily absorbs to your skin.

Sensitive Skin : Sensitive skin can react easily,people often find that they get on much better with organic beauty products.

Environment : Organic beauty products are better for the environment.

Quality Ingredients : Organic beauty products consists of higher-quality ingredients.

I only use organic products for my skin. There is this site named QNhealth through which I buy organic beauty products for my skin. This site provides products at a reasonable rates.