Duo in & out
Duo in & out
Duo in & out

Duo in & out

The personalized in & out duo for healthy nails all year round!

The in & out routine adapted to each nail typology: two treatments operating in synergy for a visible and durable result.

You don't know what base treating Choosing? Make our nail diagnosis in clicking here To find out!

Only 9785 items in stock!

Duo in & out

Only 9785 items in stock!
Free delivery when you spend €39 or more
Payment in 3 interest free installments
Click & Collect Free collection in 2 hours

Brand highlights

  • Up to 84% bio-sourced ingredients
    Plant-based ingredients extracted from natural, renewable sources
  • Made in France
    Products made in France
  • Vegan
    Our aim is to develop products without using ingredients that come from animals or the farming of animals
  • 12-free
    Green Flash

  • Eco-friendly packaging
    Recyclable packaging, FSC cardboard and biodegradable packing peanuts
  • No toxic ingredients
    Products formulated based on a strict blacklist

Kit content

  • Nail Booster

    Nail Booster

    29 €
  • The treatment base coat of your choice

    The treatment base coat of your choice



In: Food supplements Nail Boost Act from the inside to bring all the elements necessary for the synthesis of keratin, main component of nails and hair. A complete formula for fortified nails and boosted growth.

Out: the base Care acts locally to respond to a targeted problem and sublimate the nail. Choose the base adapted to your needs.


  • Supplement formula adapted to all needs
  • Biosourced formulas
  • Eco-designed and recyclable packaging
  • Customizable routine to answer all nail issues

How to use food supplements Nail Boost ?

In treatment, 4 capsules per day (3 months max).
In maintenance, 2 capsules per day (6 months max).

View ingredients

Procedure We tell you everything!

  1. File your nails into your desired shape
  2. Gently buff each nail for 5 seconds in the direction of growth
  3. Use the cuticle remover and cuticle pusher to push back the cuticles
  1. Apply Green Oil to the surface of the nail
  2. Remove the oil from the surface of the nail with a gentle nail polish remover
  3. Use the treatment base coat to care for and protect your nails

Reviews Our customers talk about us!

Le nostre recensioni sono raccolte 2 settimane dopo ogni acquisto e queste sono le recensioni degli acquirenti verificati solo

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