Vitamin C is one of the most researched ingredients in skincare. The challenge has always been keeping it stable, which is where ascorbyl glucoside comes in.
What Is Ascorbyl Glucoside?
Ascorbyl Glucoside is a stabilized form of vitamin C. It is made by attaching glucose to ascorbic acid (pure vitamin C). This protects the vitamin from breaking down in the bottle. Once on skin, enzymes are thought to release ascorbic acid gradually.
Pure ascorbic acid is powerful but unstable and works best at a low pH that some skin finds irritating. Stabilized derivatives trade some speed for gentleness and shelf life.
What It Does for Skin
Helps brighten. A 2013 review in the Indian Dermatology Online Journal describes vitamin C's role in reducing the look of pigmentation by interfering with melanin production.
Helps dark spots look less visible. With regular use, tone looks more even and radiant.
Helps protect against environmental stress. A 2017 review in Nutrients explains that skin naturally contains high levels of vitamin C, which acts as an antioxidant against UV and pollution-related stress.
Supports firmness. Vitamin C is essential for the skin's own collagen production, which is why it is popular in routines focused on firmness.
Where You'll Find It at True Colour Beauty
The Vitamin C Serum pairs ascorbyl glucoside with organic rosehip and sea buckthorn. Browse the Vitamin C collection.
How to Use It
Apply vitamin C serum in the morning after cleansing and before moisturizer, then finish with broad-spectrum sunscreen. Vitamin C and sunscreen work as a team. It layers well with hyaluronic acid, niacinamide and peptides.
What the Research Doesn't Say
Most of the strongest vitamin C research uses pure L-ascorbic acid. Derivatives like ascorbyl glucoside have less clinical data, and their effects are generally gentler and more gradual. Vitamin C supports a brighter look but does not replace sunscreen.
Frequently Asked Questions
Why not use pure vitamin C?
Pure ascorbic acid oxidizes quickly and can sting. Ascorbyl glucoside is more stable and gentler.
Can I use vitamin C with niacinamide?
Yes. Modern formulas can be layered without issue.
Morning or night?
Morning is ideal, under sunscreen, for antioxidant support during the day.
Are True Colour Beauty products cruelty-free?
Yes. True Colour Beauty is Leaping Bunny certified.
Bright, Stable, Gentle
Ascorbyl glucoside brings vitamin C's brightening benefits in a stable form. Explore the True Colour Beauty skincare collection.
Sources
Telang PS. Vitamin C in dermatology. Indian Dermatol Online J. 2013;4(2):143-146.
Pullar JM, Carr AC, Vissers MCM. The roles of vitamin C in skin health. Nutrients. 2017;9(8):866.
Al-Niaimi F, Chiang NYZ. Topical vitamin C and the skin: mechanisms of action and clinical applications. J Clin Aesthet Dermatol. 2017;10(7):14-17.
