Why you need… an eye cream

Whether caused by lack of sleep, stress or genetics, puffy eyes can make you look like you’ve not slept a wink. It often appears worse in the morning due to overnight water retention. UpCircle Soothin

Confused about retinoids? They are a family of ingredients derived from vitamin A. Retinoic acid, the most potent, prescription-only form, is at the top of the family tree, with ingredients like retin

Dark under-eyes are a common bugbear of ageing, but there are ways to conceal and correct them, says Lynne Hyland

Dermatologists love retinoids – they speed up cell turnover so skin looks brighter and smoother, and improve the appearance of wrinkles. Retinoids can cause irritation, so if you’ve never used them be

Delve into our our pick of this month’s best beauty beauty buys.

Are night creams more than just moisturiser? Why don’t we use retinol in the day? What does skin get up to while we sleep? Read on for Prima ’s guide to overnight complexion care