Holi (C) The C Duo Calcium & Vitamin C

Two ingredients. Extraordinary results. The Agent Nateur holi (c) is a dry powder treatment of Calcium Ketogluconate and Sodium Ascorbyl Phosphate in their most potent, most stable state — a formula so simple and so effective it has become one of the most loved anti-aging treatments in clean beauty.

Most Vitamin C serums oxidize quickly, losing their potency before the bottle is even half empty. holi (c) solves this entirely with a unique dry powder format that never oxidizes, ensuring every single use delivers the full regenerative benefit. Mix a small amount with holi (water) or filtered water and apply as your AM serum for results that build over time.

Calcium Ketogluconate is a French-patented molecule clinically tested to promote elastin and Hyaluronic Acid production in the skin's deepest layers. Used twice daily for 28 days in clinical studies, it increased skin elasticity by 16% and decreased skin fatigue and sagging by 27%. Sodium Ascorbyl Phosphate, sourced in France for maximum purity, is the most bioavailable and stable Vitamin C derivative available. It brightens the complexion, protects against environmental stressors, minimizes hyperpigmentation and scarring, reduces clogged pores, and has been clinically shown to treat and prevent acne. Together they deliver a clear, supple, lifted complexion that looks like you just left your aesthetician.Pairs with holi (water) Pearl and Rose Hyaluronic Essence for the complete 2-step brightening ritual.

• Format: Dry powder
• Recommended for: Redness · Hyperpigmentation · Acne · Fine lines · Uneven tone and texture
• Use: AM after cleansing and toning · Mix a dash with 3 spritzes of holi (water) or filtered water · Pat into face, neck, and décolleté · Follow with oil or crème
• Ingredients: Calcium Ketogluconate, Sodium Ascorbyl Phosphate.

Eco-friendly information

Production: Cruelty-free | Clean beauty brand | Female-owned brand

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Agent Nateur holi (c) Calcium and Vitamin C is a clean 2-ingredient dry powder treatment formulated with Calcium Ketogluconate (French-patented, clinically tested) and Sodium Ascorbyl Phosphate (stable Vitamin C, sourced in France). Non-oxidizing dry powder format. Clinically shown to increase skin elasticity by 16% and decrease sagging by 27% after 28 days. Recommended for redness, hyperpigmentation, acne, fine lines, and uneven tone. Pairs with holi (water). Available at SOLUDE Wellness & Beauty.