Glycolic acid decongests the pores by dissolving dead cells and excess oil on the skin’s surface, preventing blackheads and whiteheads.

She might be the founder of a billion dollar beauty empire, but Kylie Jenner’s morning routine is actually pretty straightforward and consists of only four steps. 

Both ingredients can treat a number of skin concerns ranging from fine lines to clogged pores and hyperpigmentation. 

When applied topically, vitamin C neutralizes free radicals generated by sun exposure, preventing oxidative stress and cellular damage.

After patting on her serum, she applies a cell rejuvenating moisturizer containing black tea, papaya enzymes, and avocado oil.

AHAs work primarily as exfoliants, helping to improve the tone, texture, and appearance of the skin.

Glycolic acid supercharges vitamin C’s benefits by removing dead skin cells to accelerate cell renewal for smooth, glowing skin

Moisturizing plays a major role in Demi Moore’s skincare routine. She actually uses three different face creams on a daily basis.

Her routine might comprise of some ultra-luxe (and expensive) formulas, but Cate Blanchett turns to a humble kitchen utensil when she’s looking tired. 

Sagging skin refers to loose skin that has lost its firmness and elasticity. Here's everything you should know about the best treatments for sagging skin.

Interestingly, The Gossip Girl star takes a pretty low maintenance approach to skincare. Here's her full skincare routine.

Is it safe to combine them, better to use them separately, or should you avoid using them in the same routine altogether? Find out.