Skincare advice guides

From LED masks to collagen supplements, skin creams and serums - get expert insight into what really works and what isn't worth spending your money on

7 articles

Do LED Masks Really Work?

Get our expert assessment of the evidence for LED masks and anti-ageing, plus find out which masks have impressed in our tests so far

1 June 2026

Best anti-ageing creams 2026: independently lab-tested

We reveal which face creams really made a difference to wrinkles and more in our comparative lab test with 300 real testers

26 May 2026

Best sun creams: Which? Best Buys and expert buying advice

Our independent lab tests reveal the sunscreens you can rely on, plus we explain SPF, UVA ratings and everything you need to know

15 June 2026

What is retinol good for and what does it really do?

Retinol can help to reduce wrinkles, fine lines and acne. Here's what you need to know to get started and buy the best retinol for you

3 June 2026

Do collagen supplements really work?

We look into the science behind collagen to see if it's worth trying supplements

29 May 2026

Best hand creams: tried and tested for dry skin

Caudalie, Clarins and L'Occitane vs pharmacy favourites Nivea, O’Keefe Working Hands and Palmer's compared for hydration, absorption, feel on the skin and more

31 March 2026

Best lip balms: expertly tested for dry and chapped lips

We've tested newer options, including Glossier and Hello Friday, alongside familiar favourites Burt's Bees, Nivea and Vaseline. Read our results to see how they compare for dryness relief, longevity, absorption and more

30 March 2026