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How to Use Hyaluronic Acid and Vitamin C Together

By Kiehl’s Education Team

Hyaluronic Acid and Vitamin C are both important ingredients that can deliver powerful support in your skincare routine. Hyaluronic acid helps to hydrate skin and restore the skin barrier, while  vitamin C addresses skin radiance and helps to even out skin tone. Together in one skincare routine, these powerhouse ingredients in our sophisticated formulas will help to fight sun damage, even out skin tone, improve hydration, skin firmness and more. So, what's the best way to use them together for all skin types? Let's find out . . . 


Vitamin C

Vitamin C is a powerful antioxidant that helps to protect the skin from environmental damage. It's a skincare ingredient that can help to visibly improve lines, wrinkles, uneven skin texture, and dullness. It can help to boost skin's natural collagen production which leads to skin looking visibly brighter, clearer and smoother. Vitamin C can also help reduce the appearance of skin-ageing damage caused by UV radiation and free radicals. Read more about The Benefits of Vitamin C

Hyaluronic Acid

Hyaluronic acid is a water-loving molecule that is produced naturally by our skin. It’s a humectant, which means that it helps retain water within the skin cells, plumping them up, making skin look fuller and feel hydrated. It combines very happily with other ingredients such as niacinamide, vitamin C and retinol and it is suitable for all skin types, including sensitive skin. Fun fact – one molecule of hyaluronic acid can hold up to 1,000 times its weight in water! Read more: How Hyaluronic Acid Benefits Your Skin 

How Can You Use Hyaluronic Acid and Vitamin C In Your Routine?

Two-In-One Serum 

Active ingredients, hyaluronic acid and vitamin C can complement each other when used in the same skincare routine. Neither ingredient interferes with one another, in fact, they work together like a dream in our bestselling Powerful-Strength Line Reducing Concentrate. This multi-benefit vitamin C serum is clinically-demonstrated to boost skin’s radiant look whilst visibly reducing the appearance of lines and wrinkles. Pores look diminished, skin feels firmer and it's suitable for all skin types including oily skin. This daily vitamin C serum also contains fragmented hyaluronic acid — a shorter-length hyaluronic acid that is smaller and therefore better able to penetrate and draw moisture into the epidermis, improving the appearance of fine lines, and smoothing out the look and feel of dry skin. 

You can also try a specific hyaluronic acid serum to layer with your vitamin C serum, Powerful-Strength Line Reducing Concentrate. This is particularly useful for those with dry skin or dehydrated skin, and boosts skin elasticity and keeps skin hydrated. Try our Ultra Pure High-Potency Serum 1.5% Hyaluronic Acid. This fast-absorbing hyaluronic acid facial serum is minimally formulated with only seven ingredients to help visibly replenish and intensively hydrate dry skin. Concentrated with 1.5% hyaluronic acid, our pure and potent formula leaves skin feeling plumper, healthy and hydrated. 

It’s important to layer your serums correctly for the most effective results. If you decide to use Hyaluronic Acid and Vitamin C separately, apply the formula that has the lighter consistency first, and then layer up the thicker serum afterwards. If you’re using a formula that has both ingredients, like our Powerful-Strength Line Reducing Concentrate, be sure to follow with your favourite moisturiser. 

The Eye Area 

The delicate eye area is one of the first to show the visible signs of premature ageing, but as we've mentioned, the benefits of hyaluronic acid and vitamin C can help to minimise skin concerns such as dehydration and fine lines. Our Powerful-Strength Line-Reducing & Dark Circle-Diminishing Vitamin C Eye Serum is an advanced, powerful-strength vitamin C eye serum formulated with 10% pure vitamin C, tri-peptide and hyaluronic acid. Uniquely formulated for the delicate eye area, our potent serum for dark circles helps visibly correct lines, crow’s feet and under eye dark circles for a fresher, brighter-looking eye area. Include this serum in your routine every morning and evening as part of your skin routine. 


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