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Thermoceutical

Optimum 20C Serum

Optimum 20C Serum

$120.00 USD
$120.00 USD
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Shipping calculated at checkout.

The Optimum 20C Serum is a high-potency, oil- and water-free vitamin C serum delivering a concentrated 20% Ascorbic Acid formulation alongside a powerful antioxidant complex. Designed to illuminate the complexion, support even skin tone, enhance elasticity, and neutralize oxidative stress, it's a cornerstone brightening treatment for clients seeking visible, professional-grade results.

Key Actives & Features:

  • Ascorbic Acid (Vitamin C, 20%) — high-concentration brightening and antioxidant powerhouse
  • Ferulic Acid — stabilizes and amplifies antioxidant performance while supporting tone correction
  • Resveratrol — potent antioxidant that targets visible signs of aging and oxidative damage
  • Beta-Arbutin — supports brightening and melanin-inhibiting pathways for a more even complexion
  • Oil- and water-free formula — highly concentrated, fast-absorbing, and compatible with most skin types

Best For: All skin types seeking advanced brightening, antioxidant defense, and improved elasticity. Especially beneficial for dull, uneven-toned, or photo-aged skin. An ideal AM treatment serum in any corrective or brightening protocol.

Directions for Use

1. After cleansing and toning, apply 1–2 pumps or drops to the face and neck, avoiding the eye contour.
2. For optimal results, layer under your professional serum or device step, or use as the final active layer before cream.
3. Follow with moisturizer and broad-spectrum SPF during the day.

Key Ingredients

Key Ingredients / Actives

Ascorbic Acid (Vitamin C) — main brightening/antioxidant agent.
Ferulic Acid — supports antioxidant performance and skin tone correction.
Resveratrol — anti-oxidant targeting visible signs of aging.
Beta-Arbutin — brightening/whitening pathway support.

Ingredients

  • Propanediol, Propylene Carbonate, Ascorbic Acid, 2,3-Butanediol, Dimethyl Isosorbide, Arbutin, Citrus Aurantium Dulcis (Orange) Peel Oil, Scutellaria Baicalensis Root Extract, Ferulic Acid, Phloretin, Resveratrol, Adenosine

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