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20% Tetrahexyldecyl Ascorbate

Oil Based Vitamin C


Product Information

A potent anti-oxidant with skin brightening and anti-ageing benefits formulated in a hydrating oil base. A highly stable and effective form of vitamin C.

The Mix Of Ingredients

Coconut Alkanes, Tetrahexyldecyl Ascorbate, Coco-Caprylate/Caprate, Caprylic/Capric Triglycerides, C12-15 Alkyl Benzoate, Physalis Angulata Extract, Hydroxymethoxyphenyl Decanone, Spilanthes Acmella Flower Extract, 4-t-Butylcyclohexanol, Pentylene Glycol.

SKIN functional strives to continuously bring you the best product and therefore there may be formulation updates which may result in the ingredient list on the website and carton differing.

Key ingredient

  • Tetrahexyldecyl Ascorbate
    Is an oil soluble vitamin C. An anti-oxidant known for it’s brightening benefits which can be formulated in high concentrations without the risk of irritation.

Good To Know

  • Lipid based serum.
  • Fragrance free.
  • Silicone free.
  • Alcohol free.
  • Cruelty free.
  • Allergy and Toxicologically tested.
  • Lovingly created in South Africa.

Best way to use

  • Apply after water based serums. Can be used morning and evening.

Suitable Skin Types

  • Combination
  • Dry
  • Sensitive

Say Goodbye To

  • Uneven skin tone
  • Free radicals
  • Dullness / poor complexion

For Your Safety

  • Patch test before use.
  • Keep away from children.
  • Store at room temperature.
  • Do not use on broken skin.
  • Use sunscreen every morning.
  • If irritation occurs, stop use. If problem persists, see a doctor.
  • Avoid contact with eyes.


  1. Journal of Cosmetic Dermatology, Volume 11 (4) – Dec 1, 2012, Stability, transdermal penetration, and cutaneous effects of ascorbic acid and its derivatives
  2. Dermatologic Surgery, Mar 1, 2002, Double‐Blind, Half‐Face Study Comparing Topical Vitamin C and Vehicle for Rejuvenation of Photodamage
  3. Barnet Products Corp, Stable forms of Vitamin C, Technical Bulletin, 2001
  4. Journal of Ethnopharmacology, April 2014, Are plants used for skin care in South Africa fully explored?
CPNP Certified The Cosmetics Notification Portal (CPNP) is an online notification system created for the implementation of Regulation (EC) No 882/2004, 1223/2009 on cosmetic products. The certification of our products includes: Microbiological, Physico-Chemical, Dermatological tests, CPSR – Cosmetic Product Safety Report. Packaging migration studies in the product, Stability studies, PIF documents.

13 reviews for 20% Tetrahexyldecyl Ascorbate

  1. ashnielr (verified owner)

    An exceptional wonder product I would say . Iv been using this product for almost a month and it has produced glowing results, my skin is so much more brighter and firmer and spots are disappearing after years . My severe dermal pigmentation is being resolved slowly but surely . Every evening after cleansing I love looking at the difference. Thanks to kevin for recommending it’s made a huge difference.

  2. elainasilby (verified owner)

    Lovely product. The best part is that this is one of the few companies that put this ingredient in an airless pump – preventing the oxidants in the product from oxidizing and losing its efficiency!

  3. charity.ngwaru24 (verified owner)

    This product is absolutely amazing. It is a game changer. After using it for about 3 weeks, my skin feels smoother and is getting brighter. I experienced no irritation at all with this product, just a bit of purging which has stopped now. My skin tone has improved and the dark marks I had are getting lighter. I love the fact that it comes in an airless pump which gives it a long shelf life as it will not oxidize. I am definitely sticking to this active. It is worth every penny!

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