A-Z of terms and ingredients

"Alcohol-free" is commonly understood as meaning "free from ethanol".

Cosmetic products are carefully formulated to ensure ingredients are delivered to the appropriate site on the skin or hair. The skin is an effective barrier against penetration which is why even today most medicines have to be swallowed or injected and very few can be absorbed through the skin from topical patches.

The Advertising Standards Authority is the independent body set up by the advertising industry to police the rules laid down in the advertising codes. The ASA is committed to protecting consumers and creating a level playing field for advertisers.

Arsenic is NOT added to cosmetic products.

As scientists learn more about the process of cell ageing, this knowledge can be applied to products designed to minimise the consequences.

Also sometimes known as "fake" or "false" nails, there are many different types of artificial nails, but only some are classed as cosmetic products.

Asbestos is not allowed in cosmetic products.

Substances which can help the body eliminate or fight the effects of 'free radical' chemicals

AHAs are skincare ingredients which encourage the shedding of dry surface skin cells to leave fresher and more glowing skin.

Top tips for using aerosols safely