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Day and Night Duo is only available to BlueRewards members
Day and Night Duo
$25
Product Information
Product Information
Description
The day and night routine 7 days to visibly repair soft and damaged-looking nails, with the combined action of two expert care Day care. The Keratin booster: The miracle hardening care that instantly strengthens and regenerates soft and damaged-looking nails. Night care, The S.O.S. Mask: The overnight mask intensely hydrates very damaged-looking nails. Its unique formula, highly concentrated in emollient and fortifying agents, forms a protective film on the nail surface to boost cell repair.
UPC: 3662263222987
Key Benefits
- Repairs
- Nourishes
- Hardens
What's Included
What's Included
- The Keratin Booster, a 10% concentrated care to instantly help repair fragile nails
- The S.O.S. Mask, an overnight care to intensely hydrate nails
Clinical Trials
Clinical Trials
- 85% find their nails harder*
- 81% find their nails stronger*
- 81% find their nails were less likely to split*
- 80% find their nails more hydrated**
- 75% find their nails harder**
- 75% find their nails stronger**
*Clinical test conducted under dermatological supervision on 25 individuals after two weeks of use.
**Test conducted on a panel of 20 people over 14 days.
Ingredients
Ingredients
10% Concentrated Care Formula
Plant-based Keratin
AHA and Gluconolactone
Gently exfoliate the nail plate.
Silicon
Helps strengthen the nail.
Biotin (Vitamin B8)
Helps harden and fortify the nail.
Vitamin C
Protects the nail from external aggressions.
See Full Ingredients List See Full Ingredients List
keratin booster: alcohol denat., aqua (water), glycolic acid, polyacrylate crosspolymer 6, parfum (fragrance), phaeodactylum tricornutum extract, gluconolactone, dimethyl sulfone, prunus armeniaca 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 97,5% natural origin ingredients* s.o.s. mask: aqua (water), alcohol denat., polyvinyl alcohol, panthenol, parfum (fragrance), alcohol, tris(tetramethylhydroxypiperidinol) citrate, ci 14700 (red 4) 80,5% natural origin ingredients* *calculation based on the international iso 16128 standards.
How To Use
How To Use
- How to use the day AND night routine? Your 7-day care, to repair soft and damaged-looking nails: Day care: On bare nails, apply the Keratin booster 1 to 3 times a day using the brush. Let it dry until fully absorbed.
- Night care: On bare nails, apply the S.O.S. Mask 2 to 3 nights a week in a thick layer. Let it dry. The next morning, remove it by peeling it off or washing with soapy water.
Complete the Routine
Complete the Routine




Shipping & Returns
Shipping & Returns
Bluemercury.com purchases can be returned free of charge to your local store or by mail within 90 days of purchase. Exchanges may only be completed in-store.
BlueRewards members receive free ground shipping on all orders.