Final Up to date on June 22, 2026 by Giorgia Guazzarotti
Bear in mind when Proactiv solely used to deal with pimples? Nowadays, they’ve expanded their vary to cope with different points acne-prone pores and skin offers with, like dehydration and darkish spots pimples depart behind after they heal. Right here, I’ll offer you a Proactiv darkish spot serum assessment, i.e. Proactiv Put up Blemish 10% Vitamin C Serum. Discover out if it actually offers the perfect outcomes for uneven pores and skin tone… or if it’s a miss. Let’s dive in!
Key Substances In Proactiv Put up Blemish 10% Vitamin C Serum: What Makes It Work?
3-O-ETHYL ASCORBIC ACID
3-O-Ethyl Ascorbic Acid is a secure by-product of vitamin C that doesn’t oxidise and switch orange within the bottle after 5 minutes. It’s each water and oil soluble, which theoretically helps it penetrate pores and skin higher than plain L-Ascorbic Acid. As soon as inside, it will get transformed into ascorbic acid, so your pores and skin finally ends up utilizing it the identical means it will common vitamin C.
What does it do? Listed here are the Vitamin C advantages it is advisable find out about:
How does it examine to L-Ascorbic Acid (the pure type)? Not favourably, if we’re being sincere. Analysis exhibits 3-O-Ethyl Ascorbic Acid can solely neutralise about half the free radicals that the identical focus of L-Ascorbic Acid can. And whereas L-Ascorbic Acid has many years of stable human research behind it, most of 3-O-Ethyl Ascorbic Acid’s proof comes from cell cultures and small trials.
Associated: Varieties Of Vitamin C Used In Skincare: Which One Is Finest For You?
Efficiency & Private Opinion
The feel may be very watery, skinny and fluid, spreads simply, absorbs quick with out leaving a sticky residue behind. It might probably get a bit cheesy for those who use an excessive amount of or rush the following step, however 4-5 drops and a little bit of endurance and it’s nice. No scent in any respect, which is strictly what you need from one thing happening acne-prone pores and skin each morning. You apply it in your whole face (keep away from the attention space) after cleaning, earlier than moisturiser and sunscreen SPF, utilizing the dropper. The dropper is a bit fiddly. It doesn’t all the time cooperate, and as soon as the bottle will get low you’re principally taking part in video games with gravity to get the final bit out.
The rapid glow is actual: pores and skin appears to be like brighter and extra even proper after software. However for precise darkish spots and zits darkish marks? It’s sluggish. The vitamin C used right here is 3-O-ethyl ascorbic acid, a stabilised by-product that’s gentler and extra secure than common vitamin C however takes longer to get to work. However one bottle isn’t sufficient to scale back the looks of darkish spots (or age spots, for that matter). FYI, since we’re reviewing this, this doesn’t take away useless pores and skin cells, doesn’t repair zits breakouts or does a lot for a tough texture.
Does Proactiv Put up Blemish 10% Vitamin C Serum Reside Up To Its Claims?
| CLAIM | TRUE? |
|---|---|
| Formulated particularly for acne-prone pores and skin, this serum helps fade the looks of hyperpigmentation, visibly refine & brighten your complexion, & protect your pores and skin from environmental stressors. | True. It might probably scale back the looks of darkish marks, however it’s sluggish. |
| Quick-Absorbing: Light-weight, non-greasy serum that sinks in rapidly with out residue. | True. |
Value & Availability
$25.20 for 1 fl oz (30ml) at Proactiv and Ulta
The Verdict: Ought to You Purchase It?
The one benefit of this light-weight Vitamin C serum is stability. L-Ascorbic Acid wants a pH beneath 3.5 to penetrate pores and skin correctly, and that acidity is strictly what irritates so many individuals. 3-O-Ethyl Ascorbic Acid skips that downside solely. So in case your pores and skin tolerates L-Ascorbic Acid, keep it up. It’s nonetheless the gold commonplace. But when low-pH vitamin C serums make your pores and skin indignant, 3-O-Ethyl Ascorbic Acid is an affordable different. Simply know you’re making a trade-off: extra stability, much less energy. (This additionally applies you probably have dry pores and skin or delicate pores and skin).
Water, 3-O-Ethyl Ascorbic Acid, Butylene Glycol, Ethoxydiglycol, Sodium Citrate, Polysorbate 20, Citric Acid, Pentylene Glycol, Polyacrylate Crosspolymer-6, Propanediol, Glycerin, Caprylyl Glycol, Ethylhexylglycerin, Tocopherol, Sodium Metabisulfite, Glycyrrhiza Glabra (Licorice) Root Extract, Tetrasodium Glutamate Diacetate, Phenoxyethanol, Hydrolyzed Sodium Hyaluronate, Sodium Benzoate, Centella Asiatica Extract
