All beauty products are made up of chemicals and combination of chemicals.
Let's understand the chemistry in beauty products
1) Hair dyes:
Nowadays colouring hair with different shades is in a trend which becomes a science. We often used bleach to lighten hair, which occurs when bleach reacts with the melamine with the evolution of ammonia.
2) Makeup products:
If we talk about lipstick then its made up of the combination of waxes, oil, pigments. Also, Kajal is made up of soots of carbon.
3) Skin care products:
Moisturisers are made of surfactants, emulsifiers and emollients, majorly skin care products are water-based.