facial beauty

Melbourne Facial Beauty
Vitamin C


Vitamin C skin care

There is no doubt that Vitamin C is one of the most effective and affordable antioxidants found in skin care products today.

So how can Vitamin C turn itself along with the whole preparation from super antioxidant to super free radical factory?

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Why have vitamin C in topical skin care?

According to the International Journal of Pharmaceutics, vitamin C has many favourable aspects for the skin, including:

  • antioxidant properties (neutralizes free radicals);
  • suppressing pigmentation of the skin (by inhibiting the enzyme tyrosinase);
  • decomposing melanin enhancing whitening effects
  • stimulating collagen production and hence increasing skin firmness and filling fine lines;
  • enhancing sunscreen protection by prevent UVA and UVB induced damage

Products Vitamin C Form Concentration Vitamin  C Good For Cost
Medik8 C-Tetra |
Medik8 CE-Tetra
Tetrahexyldecyl ascorbate - TDA 12% |
Adds glow to the skin, evens out skin tone, protects against free-radicals, stimulate collagen and elastin synthesis, alleviates skin inflammation, post-acne blemishes, anti-redness $79 |
Cosmedix Pure-C L-ascorbic acid 10% Protein building of collagen and elastin $99
Skeyndor Vitamin C Nikkol VC-IP 12% Collagen synthesis, increases the epidermal reservoirs of antioxidants, reduces cellular damage from free radicals $105

But Vitamin C has many forms. Some of them are stable and others not so. It is important for you to know what you're putting on your skin.

Forms of vitamin C in skin care products

L-ascorbic acid is the most common form of vitamin C used in skin care. It is water-soluble. The advantage to L-ascorbic acid is that its concentrations are well-established in skin care products. Unfortunately L-ascorbic acid changes upon exposure to light, heat, or air.

For this reason, numerous substitutes to L-ascorbic acid are used in skin care Eg Ascorbyl palmitate , Sodium ascorbyl palmitate, Magnesium ascorbyl palmitate, Ascorbyl glucosamine etc And most recent one is tetrahexadecyl ascorbate (THD ascorbate) which has up to four times the potency of L-ascorbic acid.

A study published in the Journal of Cellular Biochemistry in March 2009 illustrates that THD Ascorbate:

  • Is extremely stable even at high temperature for one month
  • Readily permeates cells & is converted to intracellular pure Ascorbic Acid
  • Greatly enhances collagen synthesis
  • Reduces free radicals, inhibits MMPs & prevents damage to DNA, cell membrane lipids, collagen & elastin , as well as saccharides IN THE PRESENCE OF UV RADIATION

Other factors that effect Vitamin C's effectiveness are:

  • Product packaging. It is ideal to have a dark glass container with a very small opening. Larger opening allow more air in, which oxidizes the product.And see through packaging allows light to come in contact with the product.
  • Vitamin C delivery system. You can find Vitamin C in creams, liquids, serums and powders. Serum is believed to be the most effective.
  • Percentage used. Products in grocery stores will most likely have a much smaller % of Vitamin C than professional brands. Companies are not required to disclose ingredient %, but high-potency Vitamin C will cost more.

What’s the advantage to using vitamin C and vitamin E together?

Vitamin C and vitamin E are network antioxidants that have been found to synergistically enhance the power of one another. Vitamins C and E as L-ascorbic acid and tocopheryl acetate to prevent the formation of carcinogenic nitrosamines. Vitamin C and vitamin E have also been shown to enhance the photoprotective effects of sunscreen, as vitamin C has been reported to enhance UVA protection, whereas vitamin E is more effective against UVB radiation.

Lastly, vitamin C has also been found to decrease hyperpigmentation, Study in the International Journal of Dermatology, found that combination therapy of vitamin C, vitamin E, and 10% glycolic acid was effective in treating signs of hyperpigmentation.


The most stable, reliable, potent Vit C we've seen on the market today. Highest absorption rate due to molecular weigh and penetration level. Truly, the most magnificent product which produces results literally overnight.

Medik8 C-Tetra Benefits:

  • Protects skin against oxidative stress the main cause of photo-ageing
  • Complements sunscreen creams. Once applied, CE-Tetra® absorbs immediately and cannot be washed off
  • Adds a luminous glow to the skin, evens out skin tone and leaves it supple, bright and well hydrated
  • Protects against free-radicals, the high energy particles which damage collagen, the skin’s natural scaffolding
  • Helps stimulate collagen and elastin synthesis, causing the skin to tighten and erasing minor lines and wrinkles
  • Alleviates skin inflammation and UV-induced erythema (sunburn)
  • Actively fights against hyperpigmentation and post-acne blemishes
  • Increases physical resistance to capillary damage and thereby has a benefits to redness-prone skin • Improves the lipid barrier of the skin and stimulates the production of ceramides
  • Formula is non-acne aggravating and non-comedogenic (does not clog the pores

C-Tetra contains 3% tetrahexyldecyl ascorbate and vitamin E, and is designed for men and women in their mid-20s to 40s.

Whereas CE-Tetra is a stronger formulation containing 7% of the ingredient, for those aged 40 onwards. This equates to 12% and 28% in conventional Vitamin C preparations.

Directions to use C-Tetra:

C-Tetra & CE-Tetra has been formulated for direct application to the face. In the morning, after cleansing, apply 3-4 drops directly to the skin and blend evenly across the whole facial area, neck and décolleté. Alternatively, place a drop on your finger and massage into the skin. Leave to absorb for 2-3 minutes. Follow with the application of Hydr8 SPF25 or your preferred SPF hydrator/sunscreen.

Medik8 C-Tetra Ingredients:

Simmondsia Chinensis Oil, Tetrahexyldecyl Ascorbate, Cyclopentasiloxane, Cyclohexasiloxane, PPG-12/SMDI Copolymer, Tocopherol (d-Alpha)


free consult Facial Melbourne Vitamin C skin care for collagen synthesis, wound healing, skin brightening and acne improvement.
Talk to us about what you would like to achieve at you comprehensive no obligation consultation.
Melbourne Facial Beauty
Chadstone Shopping Centre | 1341 Dandenong Rd |
Melbourne VIC | 3148 | Australia
03 9530 9800
Open late on Wednesday and all day on Saturday