La Roche-Posay Pure Vitamin C 10 Serum. The best Vitamin C serum for sensitive skin. Specifications. RRP: $39.99/£38. Vitamin C: 10%. Key ingredients: Hyaluronic acid, salicylic acid. But — and you may already know this — vitamin-C serums are tricky, because the most commonly used form, L-ascorbic acid, is an unstable ingredient. It oxidizes quickly when exposed to light and air. That’s why you want to look for more stable forms of vitamin C, like magnesium ascorbyl phosphate, sodium ascorbyl phosphate, and This ZO Skin Health Vitamin C serum combines 10% ascorbic acid (pure vitamin C) with tetrahexyldecyl ascorbate (a stable vitamin C derivative). But our favorite Vitamin C serum is Carrot & Stick The Defence Serum. It contains 3 distinct types of Vitamin C that work together to help fight free radical damage. An opaque container. How to make the Serum: Step 1: blend all the distilled water and the Vit C powder in the bowl by way of whisking. Step 2: add in 15ml of the glycerin and stir once again. Step 3: add in the remainder of the glycerin and stir thoroughly until the mixture is complete. With 15% pure vitamin C (in the form of L-ascorbic acid), 1% vitamin E, and 0.5% ferulic acid, the serum’s formula is highly active and stable for daily use. Retinol 0.3, 0.5, and 1.0: Derived from vitamin A, retinoids are considered the gold standard for anti-aging topicals because they promote cell turnover to diminish acne, discoloration For a 20% serum, multiply the volume of your container by 0.2 to get the LAA required in grams. (grams = mL x 0.2) For example, I’m making 20 mL of a 10% vitamin C serum: grams = 20 x 0.1 = 2 grams LAA. fOKY. When I start using a new serum or powder, for a week or so, i weight the powder and serum and test pH. After a week I usually have the measurements down and I just eyeball it. For eg : I have been using the TO laa and TO HA serum for like 3 ish months now. To get 17 percent, the measurements came upto one scoop of powder + 3.5 dropper fulls of Vibriance Super C Serum also contains vitamin E, which is great because vitamins C and E are known as “network antioxidants”. As a publication in the journal Dermatologic Therapy explains, “because vitamin C regenerates oxidized vitamin E, the combination in a cosmeceutical formulation is synergistic — particularly in UV protection.”. Vitamin C is an antioxidant, meaning it can protect the skin from environmental damage. It can also give you brighter, more even skin, reviving dullness and fading dark spots. The most common type of Vitamin C is ascorbic acid (or its natural alternative L-ascorbic acid) - it's the most stable option and it has the most research backing it. Vitamin C serum: Is it worth it? A good vitamin C serum can be expensive due to the antioxidants and other acids that it may be paired with for maximum skin benefits. The less expensive serums will feature less vitamin C. These serums range from $20-$200 depending on how concentrated the substance is, the other ingredients in the serum and the Regenacalm 2% Retinol and Vitamin C Serum The FaceTheory Retinol and Vitamin C Serum is the brand’s best selling serum. It is formulated with retinol ester (2%), vitamin C, and hyaluronic acid to target many different skin concerns, including fine lines, wrinkles, blemishes, acne scars, rosacea, and hyperpigmentation.

is vitamin c serum worth it