Ingredient Spotlight: Vitamin C Ester
Vitamin C is one of the most commonly used ingredients in skincare, but it can also be one of the most unstable.
That’s why Dr. Nicholas Perricone patented an even more brilliant solution over 30 years ago: Vitamin C Ester. Before we dive into Vitamin C Ester, though, let’s break down the fundamentals of the traditional form of this supercharged antioxidant.
What does vitamin C do for skin?
Brightening is one of the most recognised benefits of vitamin C for skin. It helps reduce the appearance of uneven pigmentation and dullness, contributing to a more luminous and even-looking complexion.
While brightening often takes the spotlight, the benefits of vitamin C for skin go beyond the brilliance. When delivered effectively, vitamin C helps:
- Defend against oxidative stress caused by environmental aggressors
- Support skin’s structural integrity through collagen and elastin support
- Promote a healthier-looking overall tone
- Helps with skin redness
This is why vitamin C remains a cornerstone ingredient in advanced skincare formulations. The key is choosing the right form.
Why is vitamin C often unstable?
Traditional vitamin C in skincare is called ascorbic or L-ascorbic acid. It is biologically active, highly acidic and highly abrasive.
Because the skin’s outermost layer (the stratum corneum) is lipid-rich, water-soluble ingredients can be more challenging to deliver efficiently. For this reason, many L-ascorbic acid formulas are developed at a low pH, which may increase the likelihood of irritation in some individuals.
L-ascorbic acid can also be sensitive to light, heat and oxygen, meaning careful formulation and packaging are important to maintain stability over time.
Is vitamin C good for skin?
Yes, but only when the skin and cells can absorb and utilise it effectively.
Vitamin C benefits for skin are tied to its antioxidant properties that combat free radicals from daily exposure to UV rays, pollution and environmental stress. These unstable molecules contribute to visible dullness, uneven tone and accelerated signs of ageing.
While vitamin C skin benefits are well established, the real challenge has always been delivery, stability and how skin tolerates it. Dr. Nicholas Perricone saw this not as a flaw in vitamin C itself, but as an opportunity to explore alternative delivery approaches. That’s where Vitamin C Ester comes in.
What Is Vitamin C Ester?
Vitamin C Ester is a fat-soluble molecule created by combining L-ascorbic acid with palmitic acid, a fatty acid. Dr. Perricone found that this structural modification changes how the molecule interacts with the skin.
By becoming lipid-soluble rather than water-soluble, Vitamin C Ester is better aligned with the skin’s natural composition. This delivers several important advantages:
1. Enhanced absorption
Fat-soluble molecules integrate more readily into the lipid-rich surface of the skin, supporting improved absorption.
2. Improved stability
Vitamin C Ester is significantly more stable than traditional L-ascorbic acid, helping maintain potency within a formula.
3. Optimised comfort
Because it does not require an extremely low pH to be effective, it is generally less irritating to the skin.
How to Incorporate Vitamin C Ester Into Your Routine
Vitamin C Ester is featured across several Perricone MD formulations designed to visibly improve tone, texture and radiance.
Recommended Retail Price: £37.00Current price: £27.75
25% Off
A gentle gel cleanser that helps remove impurities for a brighter, smoother, clearer-looking complexion.
Recommended Retail Price: £61.00Current price: £45.75
25% Off
A lightweight daily serum formulated to address dullness and uneven tone while supporting smoother-looking skin.
Recommended Retail Price: £139.00Current price: £55.60
60% Off
An ultra-potent serum featuring our proprietary Vitamin C Ester plus two additional forms of fat-soluble vitamin C for a powerful 20% concentration. Combined with vitamin E and ferulic acid, it targets stubborn discoloration, pigmentation and dark spots while visibly smoothing.
£64.00
An oil-free moisturiser with mineral-based SPF that hydrates, visibly brightens and provides protection against harmful sun rays and other environmental aggressors.
The Bottom Line
At Perricone MD, we don’t settle for “good enough.” We formulate solely with ingredients backed by decades of research for transformative results. Our Vitamin C Ester Collection is no exception, delivering supercharged brilliance that works with your skin, not against it.
