Poudre de fusion à 30 % d'algues C
Poudre de fusion à 30 % d'algues C
Poudre de fusion à 30 % d'algues C
Poudre de fusion à 30 % d'algues C
Poudre de fusion à 30 % d'algues C
Poudre de fusion à 30 % d'algues C
Poudre de fusion à 30 % d'algues C
Poudre de fusion à 30 % d'algues C
Poudre de fusion à 30 % d'algues C
Poudre de fusion à 30 % d'algues C
À VENIR

Poudre de fusion à 30 % d'algues C

Vitamine C ultra-fine à 30 % pour les soins ciblés
£55.00

5g / 0.176 oz

Une poudre de vitamine C stabilisée à 30 % de nouvelle génération qui se transforme en une crème soyeuse au contact de la peau, ciblant la pigmentation, les taches brunes et les imperfections tout en révélant un teint plus clair et plus éclatant.

Brightening
Spot Care
Low Irritation

Glycérine, acide ascorbique, silylate de silice

Pre-Order

Estimated shipping date: Mid-March 2026
Pre-order items can be cancelled anytime before shipment.

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Product Overview

A high-performance, next-gen Vitamin C powder that melts into a silky cream as it touches the skin. Stabilised for maximum freshness and low irritation, it targets pigmentation, dark spots, and blemish marks to promote a visibly clearer, brighter complexion.

Suited to:
Dull skin, uneven tone, dark spots, blemish marks; those seeking concentrated Vitamin C care

Texture:
Fine dry powder that melts instantly upon contact

Fragrance:
Fragrance-free

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KEY BENEFITS
Brightens dark spots and pigmentation
  • Helps visibly reduce hyperpigmentation, dark spots, and dullness
  • Helps smooth uneven texture and early fine lines
  • Melts quickly into skin with a silky, non-sting finish
  • Gentle and suitable for sensitive skin
KEY INGREDIENTS

A concentrated blend of pure, stabilised Vitamin C for targeted brightening.

See Full Ingredients
Pure, stabilised Vitamin C

A potent antioxidant that visibly brightens dull skin, evens tone, and improves texture over time. Stabilised to prevent fast oxidisation and colour change, while enhancing absorption and ensuring low irritation even at high potency.

Glycerin

A natural humectant that attracts and holds moisture to keep skin hydrated, support the barrier, and improve elasticity.

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How to Use

Apply a small amount directly to areas of concern for targeted Vitamin C treatment.
You can also mix it into your serum or cream for overall brightening.

Technology

We combine advanced stabilised Vitamin C with clean water-only extraction to create formulas that remain potent, gentle and effective, especially for skin affected by dryness, dullness or hard water.

Advanced Stabilised Vitamin C

High strength. Low irritation. Longer stability.
Typical Vitamin C products oxidise quickly, turn brown and can sting sensitive skin.
We use a glycerin-stabilised Vitamin C system that improves absorption, keeps irritation low and slows oxidation for clearer, brighter results.

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What It Means for Your Skin

• Brighter, clearer skin with reduced dullness
• High potency that stays stable for longer
• Gentle enough for sensitive and dry skin
• Less prone to browning or breakdown
• A smoother, more comfortable Vitamin C experience

Water-Only Extraction (SWE)

Pure extraction using only heat, pressure and water.
Most brands rely on alcohol or harsh solvents to extract plant ingredients, which can irritate skin or degrade beneficial compounds.
We use Subcritical Water Extraction (SWE), a clean, solvent-free method that keeps actives potent and stable, unlike solvent-based methods that can degrade ingredients.

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What It Means for Your Skin

  • Potent, stable actives from plants, delivered without irritation.
  • Clean, irritant-free formulas for sensitive and dry skin.
  • Sustainably extracted to keep your skin calm, clear, and strengthened.

FAQ

  • Yes. We use pure, stabilised Vitamin C designed to stay potent while keeping irritation low.
    However, as with any active ingredient, we recommend doing a patch test first, especially if your skin is sensitive or reactive.

  • Most people notice brighter, smoother skin within 1–2 weeks.
    Dark spots and pigmentation gradually improve over 4–8 weeks, in line with the natural skin turnover cycle.

  • Yes. All KELP C products are suitable for daily, consistent use.
    If you're new to Vitamin C, begin with the 5% Melting Powder or the 3% Marine Cream, then build up as your skin adjusts.

  • Yes. They are designed to work together.
    Recommended order: Melting Powder → Serum → Cream
    You can apply the powder directly on targeted areas or mix it into your serum/cream for full-face use.

  • Yes. Vitamin C pairs best with sunscreen.
    Always apply SPF during the day to protect your skin and maximise brightening benefits.

  • Yes, but not in the same routine.
    Use Vitamin C in the morning and retinol at night to avoid irritation and get the most out of both ingredients.

  • Our stabilised Vitamin C oxidises far slower than standard formulas,
    but it is still a natural Vitamin C. For best freshness:
    • Store in a cool, dry place away from sunlight
    • Keep the lid tightly closed
    • Use within 3 months after opening
    This maintains maximum brightness, freshness, and potency.

  • Vitamin C skincare is generally considered safe, but individual circumstances vary.
    Please consult your doctor for personalised advice.

  • This powder is formulated for targeted treatment—areas like dark spots, stubborn pigmentation, and acne marks.For full-face use, mix a very small amount into your serum or cream to soften the intensity.

  • The formula uses a dry, stabilised Vitamin C matrix that activates the moment it touches moisture, delivering maximum potency without premature oxidation.

  • A mild tingle is unlikely, even at high concentration, thanks to our stabilised formula.
    However, as with any potent Vitamin C, we recommend doing a patch test first, especially if your skin is sensitive. If any sensitivity occurs, simply dilute it by mixing the powder with a serum or moisturiser.

  • The 30% powder is designed for experienced Vitamin C users or those targeting specific pigmentation concerns. For beginners, we recommend starting with the KELP C 5% Melting Powder or the KELP C 3% Marine Cream.