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Duo Day & Night

The day & night routine for soft and damaged nails - an express treatment to strengthen and regenerate.

QUANTITY

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The complete day and night routine designed to strengthen and regenerate soft, weakened and damaged-looking nails.This targeted two-step treatment combines Keratin Booster and S.O.S. Mask to support nail repair around the clock. During the day, Keratin Booster helps strengthen, reinforce and improve nail resilience with its concentrated formula enriched with plant-based keratin, biotin and silicon. At night, S.O.S. Mask delivers intensive hydration and nourishment while helping support overnight recovery.Together, they help restore comfort, improve nail strength and leave nails looking healthier, smoother and more resilient over time.

Suitable for soft, weak, damaged or brittle nails in need of strengthening and repair.

Your 7-day treatment for repairing soft and damaged nails: Day treatment: On bare nails, apply Keratin Booster 1 to 3 times a day using the brush applicator. Allow it to dry until fully absorbed. Night treatment: On bare nails, apply S.O.S Mask in a thick layer 2 to 3 nights per week. Let it air dry. The next morning, remove it by peeling it off or with soap and water.

Standard delivery 3-5 business days.

MANUCURIST

Duo Day & Night

2 X 15 ml

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KEY INGREDIENTS

What lies behind the way this formula feels

Key Ingredients

What makes this formula feel different

FULL INGREDIENTS LIST

Keratin Booster Alcohol Denat., Aqua (Water), Glycolic Acid, Polyacrylate Crosspolymer-6, Parfum (Fragrance), Phaeodactylum Tricornutum Extract, Gluconolactone, Dimethyl Sulfone, Prunus Armeniaca (Apricot) Kernel Oil, Pentylene Glycol, Isopropyl Alcohol, Acetyl Cysteine, Lens Esculenta (Lentil) Seed Extract, Hydrolyzed Cicer Seed Extract, Chenopodium Quinoa Seed Extract, Magnesium Ascorbyl Phosphate, Biotin, Tetramethyl Acetyloctahydronaphthalenes. 96.5% ingredients of natural origin* *Calculation based on the international ISO 16128 standard. S.O.S. Mask Aqua (Water), Alcohol Denat., Polyvinyl Alcohol, Panthenol, Parfum (Fragrance), Alcohol, Tris(Tetramethylhydroxypiperidinol) Citrate, CI 14700 (Red 4). 80.5% ingredients of natural origin* *Calculation based on the international ISO 16128 standard.

Helps strengthen and reinforce fragile nails

Helps fortify and improve nail resilience

Helps support stronger-looking nails

Helps hydrate and condition the nails

Help lock in moisture and support overnight recovery

ABOUT THE BRAND

MANUCURIST

MANUCURIST

Manucurist is a Paris-born nail colour and care brand rethinking the modern manicure through cleaner formulas, professional expertise and a distinctly French sense of colour.

Its story began in 1996, when Gaëlle Lebrat Personnaz’s mother opened the first Manucurist nail salon in Paris. After a career in luxury fashion, Gaëlle took over the family business and set out to create high-performing alternatives to traditional nail products — easier to use, kinder to nails and more considered in their formulation.

Manucurist approaches nail colour as both beauty and care. Drawing on professional salon expertise, the brand develops routines inspired by skincare — designed not only to colour the nails, but also to strengthen, hydrate and protect them. Innovation is guided by a simple goal: to make manicure rituals more effective, desirable and accessible without compromising nail health

Manucurist formulates with a high proportion of bio-sourced ingredients derived from renewable plant materials such as corn, wheat, cotton, cassava, sugar cane and potatoes. The brand excludes a defined list of controversial substances, particularly those derived from petrochemicals, and all ranges are certified vegan by The Vegan Society. Products are cruelty-free, and the brand continues to replace conventional ingredients with plant-based alternatives wherever possible.

Manucurist’s nail care products and polishes are made in France, with an emphasis on short supply chains and local suppliers. The brand also works with an ESAT supported-employment organisation for packaging and assembly, extending its environmental and social commitments beyond formulation to the wider production process.

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FREQUENTLY ASKED QUESTIONS

A few things you may wonder about

Manucurist uses a high proportion of ingredients derived from renewable plant-based materials such as corn, wheat, cotton, cassava, sugar cane and potatoes, replacing conventional petrochemical ingredients wherever possible.

Yes. All Manucurist ranges are certified vegan by The Vegan Society, confirming that no animal-derived products or ingredients are used in their formulation, production or manufacture.

Yes. Manucurist states that neither its finished products nor the ingredients used in its formulas are tested on animals.

Manucurist nail care products and polishes are made in France, with an emphasis on short supply chains and local suppliers.

Manucurist combines professional nail expertise with formulas designed around both colour and care. Its routines are inspired by skincare and focus on performance, ease of use and supporting the health of the nails.

If you're still looking for answers, our detailed FAQ might be helpful

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