OSKIA Liquid Mask — The Overnight Lactic Acid Peel That Resurfaces, Hydrates & Illuminates in a Single Step
Dull, uneven skin and congested pores meet their match in OSKIA's Liquid Mask — a precisely formulated, single-acid overnight treatment built around the maximum EU-permitted 10% Lactic Acid concentration. The lightweight peel glides on effortlessly, working through the night to dissolve dead surface cells while simultaneously flooding skin with multi-weight hydration, leaving a visibly smoother, luminous and refined complexion by morning. It is the rare acid treatment designed for lasting, cumulative results — not just a good skin day, but the promise of consistently radiant, conditioned skin across months of use.
| Ingredient | INCI Name | Concentration | Function | Skin Benefit |
|---|---|---|---|---|
| Lactic Acid (from Sugar Beet) | Lactic Acid | High | AHA Exfoliant / Humectant | Resurfaces by dissolving corneocyte bonds; boosts NMF-level hydration; brightens and refines texture at 10% |
| Hyaluronic Acid (Mixed Molecular Weight) | Sodium Hyaluronate / Hyaluronic Acid | High | Humectant / Plumping Agent | Delivers surface and deep-dermal hydration; visibly plumps fine lines and improves skin suppleness |
| Niacinamide (Vitamin B3) | Niacinamide | Mid | Skin-Tone Regulator / Pore Refiner | Inhibits melanosome transfer to even tone; reduces pore visibility, congestion and supports the skin's immune barrier |
| Pro-Vitamin B5 | Panthenol | Mid | Humectant / Skin Conditioner | Penetrates to dermis to bind moisture; soothes and accelerates skin repair; enhances surface smoothness |
| Red Snow Extract | Chlamydomonas Nivalis Extract | Mid | Antioxidant | Neutralises free-radical damage from environmental aggressors; helps preserve collagen integrity |
| Black Carrot Extract | Daucus Carota Sativa Root Extract | Mid | Antioxidant / Brightener | Rich in anthocyanins; defends against oxidative stress and supports a more even, luminous complexion |
| Patented Cactus Stem Extract | Opuntia Ficus-Indica Stem Extract | Low | Hydration Booster / Calming Agent | Reduces transepidermal water loss; soothes post-exfoliation redness and irritation |
| MSM (Methylsulfonylmethane) | Dimethyl Sulfone | Low | Anti-inflammatory / Conditioning Agent | Calms sensitivity and redness; supports collagen synthesis and skin barrier resilience |
At its core, this treatment harnesses 10% Lactic Acid — an alpha-hydroxy acid that cleaves desmosomes between corneocytes to accelerate surface cell turnover, directly improving texture, luminosity and the appearance of enlarged pores. Crucially, Lactic Acid also functions as a natural humectant that upregulates natural moisturising factors (NMF) within the stratum corneum, preventing the dryness and irritation common to many acid treatments. Mixed-molecular-weight Hyaluronic Acid complements this dual action by targeting both the epidermis and deeper dermal layers for multi-depth plumping, while Niacinamide inhibits the transfer of
- Use 2-3 times a week at night. Apply to clean skin. Leave on for a few minutes before applying your usual night-time skincare products. For particularly sensitive skin, leave on for 5-10 minutes and rinse off. Perfect for face, neck, décolleté and hands. Use an SPF during the day.
- Those wanting a 2–3 times weekly leave-on AHA treatment to resurface and refine skin overnight
- Anyone looking for a leave-on exfoliating mask that clears pores and boosts radiance without physical scrubbing
- Dull, uneven or congested skin types seeking progressive resurfacing and brightening with each use
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