Search
Item added to cart
Proceed to checkout
Item added to cart
Proceed to checkout

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). 

Amount

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 271 reviews
97%
(263)
3%
(7)
0%
(1)
0%
(0)
0%
(0)
A
Ashley Stanford
Obsessed!!

I absolutely love this serum. It makes my face feel so smooth and hydrated. My husband has commented a few different times since I recently got them on how soft my skin has been since using this, the chamomile herb cleansing gel and the pearl exfoliator and I couldn’t be happier. This will definitely be my only skincare line from now on. I can’t wait to get more of Kossma’s products!!

N
Nikole
So happy with the results

I’ve been using this amazing product for about a month. I’ve noticed a brighter and more even complexion. It glides on easily, not greasy and my skin loves it. I will keep this in my routine, so worth every penny. Thank you for your relentless work to provide truly exceptional skin care products…simply the best I’ve ever used.

J
JC
Loving this serum!

This serum is great! It goes on so smoothly and easily - and a little goes a long way!

K
Kiley
Love it!

I've only been using this for a few weeks but it's been helping with some acne! I have fairly sensitive skin and haven't had any issues. I can't wait to see how my skin looks with continued use!

A
A.C.
Love This!

I love how this serum leaves my skin glowing and moisturized, and as a plus, it smells amazing!! Highly recommend!

Customer Reviews

Based on 271 reviews
97%
(263)
3%
(7)
0%
(1)
0%
(0)
0%
(0)
A
Ashley Stanford
Obsessed!!

I absolutely love this serum. It makes my face feel so smooth and hydrated. My husband has commented a few different times since I recently got them on how soft my skin has been since using this, the chamomile herb cleansing gel and the pearl exfoliator and I couldn’t be happier. This will definitely be my only skincare line from now on. I can’t wait to get more of Kossma’s products!!

N
Nikole
So happy with the results

I’ve been using this amazing product for about a month. I’ve noticed a brighter and more even complexion. It glides on easily, not greasy and my skin loves it. I will keep this in my routine, so worth every penny. Thank you for your relentless work to provide truly exceptional skin care products…simply the best I’ve ever used.

J
JC
Loving this serum!

This serum is great! It goes on so smoothly and easily - and a little goes a long way!

K
Kiley
Love it!

I've only been using this for a few weeks but it's been helping with some acne! I have fairly sensitive skin and haven't had any issues. I can't wait to see how my skin looks with continued use!

A
A.C.
Love This!

I love how this serum leaves my skin glowing and moisturized, and as a plus, it smells amazing!! Highly recommend!

Search our shop