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Purely Potent Active C Serum 20% THD Ascorbate

pure and potent vitamin C serum that is packed with a powerful antioxidant complex THD ascorbate (vit C) and mixed tocopherols (soy-free, full spectrum vit E) along with stable moisturizers Squalane oil that all work together to stimulate collagen production, lighten yellow-brown pigment spots, and brighten the skin while fighting UV, environmental & PUFA damage (lipofuscin). 

 

What Is It:

A highly stable, oil soluble, gentle C esther in squalane oil that is able to penetrate deep into the dermis with a skin cell viability increase up to 30% when compared with l-ascorbic acid.

How to Use:

Dispense 3-5 drops onto your fingertips. Smooth over cleansed face and neck. Can be used morning and/or evening. Follow with moisturizer.

Natural Ingredients:

Squalane, 20% Tetrahexyldecyl Ascorbate (non-oxidizing Vitamin C), Mixed Tocopherols (vitamin E)

Customer Reviews

Based on 164 reviews
96%
(158)
3%
(5)
1%
(1)
0%
(0)
0%
(0)
K
Kelsey Sontag
Finally a product I feel comfortable with something I put on my skin!

My face is shining brighter and holding onto its moisture with this serum that I purchased about a month ago! Wonderful product!

H
Hanna Miller
Incredible

I'm not sure where to start, but I will say that my initial appeal for this product (and brand in general) are the minimal ingredients in ALL of their products. I have very sensitive skin, and none of the kossma products give me any sort of issues or reactions. Typically actives (vitamin Cs included) in other brands always give me dermatitis or some sort of skin irritation, this TDH does not. I also use this with the vitamin C booster (powder from Kossma) and Im obsessed!! I had some hyperpigmentation I've been working on. I used to use hydroquinone, acids, etc. (all the heavy duty skincare ingredients in typical skincare) all that did is cause irritation and make the hyperpigmentation worse. Since I've been using these product I've noticed my skin has slooowly improving without any reoccurrence of the hyperpigmentation. Just placed my next order!! I actually use this serum + powder vitamin c every night without any issues. I cannot recommend enough. Also will not cause breakouts as the squalane oil moisturizes without clogging pores. Hope this helps!

A
Amanda Miller
Fabulous

I have struggled with adult ace for 10+ years. I have been using the active c syrum in combination with the calendula oil for 2 weeks now and my skin LOVES it. My blemishes are not completely clear yet but my skin is the most clear it's been in years. I apply morning and night and it blends beautifuly under my makeup. I can't wait to try more of Kossma products and obtain 100% blemish free skin!

E
Emily K.
Purely Potent Active C Serum 20% THD Ascorbate

I absolutely love this product. It's not too oily once applied and lasts a long time. I use it in the AM and PM. It has helped balance my skin microbiome as I now teach 8+ hours daily in a face mask, making skin blemishes and pores overly active. What a clean product that I can trust throughout the seasons.

T
Tracey McCarthy
Love it

I am loving this C serum, it’s the first one I’ve found that doesn’t cause my skin to breakout. My face is extremely sensitive and everything i’ve been using lately seems to cause a dry rash feeling on my face. This along with the other products I’m using really seems to be helping. My skin is still a little dry but it no longer feels like I have a rash and nothing stings when I put it on. I will definitely continue to use

Customer Reviews

Based on 164 reviews
96%
(158)
3%
(5)
1%
(1)
0%
(0)
0%
(0)
K
Kelsey Sontag
Finally a product I feel comfortable with something I put on my skin!

My face is shining brighter and holding onto its moisture with this serum that I purchased about a month ago! Wonderful product!

H
Hanna Miller
Incredible

I'm not sure where to start, but I will say that my initial appeal for this product (and brand in general) are the minimal ingredients in ALL of their products. I have very sensitive skin, and none of the kossma products give me any sort of issues or reactions. Typically actives (vitamin Cs included) in other brands always give me dermatitis or some sort of skin irritation, this TDH does not. I also use this with the vitamin C booster (powder from Kossma) and Im obsessed!! I had some hyperpigmentation I've been working on. I used to use hydroquinone, acids, etc. (all the heavy duty skincare ingredients in typical skincare) all that did is cause irritation and make the hyperpigmentation worse. Since I've been using these product I've noticed my skin has slooowly improving without any reoccurrence of the hyperpigmentation. Just placed my next order!! I actually use this serum + powder vitamin c every night without any issues. I cannot recommend enough. Also will not cause breakouts as the squalane oil moisturizes without clogging pores. Hope this helps!

A
Amanda Miller
Fabulous

I have struggled with adult ace for 10+ years. I have been using the active c syrum in combination with the calendula oil for 2 weeks now and my skin LOVES it. My blemishes are not completely clear yet but my skin is the most clear it's been in years. I apply morning and night and it blends beautifuly under my makeup. I can't wait to try more of Kossma products and obtain 100% blemish free skin!

E
Emily K.
Purely Potent Active C Serum 20% THD Ascorbate

I absolutely love this product. It's not too oily once applied and lasts a long time. I use it in the AM and PM. It has helped balance my skin microbiome as I now teach 8+ hours daily in a face mask, making skin blemishes and pores overly active. What a clean product that I can trust throughout the seasons.

T
Tracey McCarthy
Love it

I am loving this C serum, it’s the first one I’ve found that doesn’t cause my skin to breakout. My face is extremely sensitive and everything i’ve been using lately seems to cause a dry rash feeling on my face. This along with the other products I’m using really seems to be helping. My skin is still a little dry but it no longer feels like I have a rash and nothing stings when I put it on. I will definitely continue to use

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