L-Ascorbic Acid (Vitamin C)

L-Ascorbic Acid is the purest, chirally correct and water soluble form of Vitamin C. Within O COSMEDICS it is valued for its potent antioxidant strength, pigment regulating abilities and collagen supporting activity. Chirality ensures the ingredient is refined to its biologically preferred left-handed form, meaning the skin recognises and uses it with higher efficiency and comfort.

As one of the most researched vitamins in skincare, L-Ascorbic Acid directly supports the skin against oxidation, one of the five major causes of aging. Oxidation occurs when free radicals destabilise healthy cells contributing to dullness, uneven tone and weakened structural integrity. L-Ascorbic Acid helps neutralise these free radicals to protect the skin’s brightness, clarity and resilience.

Vitamin C also plays a key role in collagen synthesis, supporting the enzymes responsible for building and stabilising new collagen fibres. This helps maintain firmer, more elastic looking skin over time. Its ability to inhibit melanin formation further supports a visibly bright, even toned complexion.

Benefits For The Skin

  • Powerful antioxidant to help neutralise free radicals
  • Supports collagen synthesis for firmer, more youthful looking skin
  • Helps inhibit melanin production and brighten uneven tone
  • Assists in reducing the visible signs of sun damage
  • Chirally correct for optimal cellular affinity
  • Water soluble form for fast absorption and high bioavailability

Form, Stability & Delivery

L-Ascorbic Acid is highly active yet sensitive to air, light and water which is why O COSMEDICS formulates it in powder form for superior stability and potency. Once mixed with a serum it becomes fully bioavailable and rapidly absorbed. When used in a hydrator the pH stabilises the formulation to ensure efficiency and stability.

How L-Ascorbic Acid (Vitamin C) Works - Made Simple

L-Ascorbic Acid helps the skin function to its best ability. It does this by supporting:

1. Antioxidant Protection
L-Ascorbic Acid neutralises free radicals generated by UV exposure and daily environmental stress.

2. Collagen Support for Firmness
Vitamin C is essential for collagen synthesis supporting stronger, more elastic looking skin.

3. Melanin Regulation and Brightening
L-Ascorbic Acid helps slow melanin production supporting visibly clearer and more even tone.

4. Surface Radiance and Smoothness
By supporting healthy cellular renewal, Vitamin C helps reduce dullness and improve overall luminosity.

Products with this ingredient

Discover Other Ingredients