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Undercover Secret Agent Treatment Serum Treat & Go Pen 8ml


Availability: In stock

International postal restrictions apply

Quick Overview

A handy and portable treatment pen containing Secret Agent Treatment Serum at one end and UNDERCOVER Base at the other for normal nails.


  • Water-based fast absorbed gel containing powerful naturally derived ingredients targeted to condition nails and promote healthy nail growth.

  • Micro-encapsulated actives efficiently dissolve upon application to release an inflow of hydrating vitamins to moisturise nails.

  • Enriched with vitamins and plant extracts. 

Note: Link is to the 12ml Undercover. 


More info


Massage SECRET AGENT TREATMENT SERUM thoroughly into the nail, cuticle and surrounding skin. Wait until the serum has dried and is fully absorbed into the nail before applying Shield or nail polish. Can be used daily, even under polish.

Apply a thin coat of UNDER COVER over a clean dry nail. Only apply the colour coat when it changes from shiny to matt.

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