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Kerastase Resistance Serum Extentioniste 50ml

  • $36.89
  • (Delivery from $14.26 )
  • RRP $46.67
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Purifying and fortifying serum to repair and protect longer hair

Ideal of you are growing your hair, the impressive Kérastase Resistance Serum Extentioniste protects your scalp and promotes good health in longer locks.

If you are trying to grow your hair, it’s hugely frustrating if you are forced to have it trimmed to remove split ends and brittle strands. This highly effective and concentrated serum nourishes your locks and scalp to provide protection from external aggressors, smoothing the fibres for greater vibrancy. Enriched with ceramides to prevent breakage and restorative lipids for surface recovery, the non-greasy serum fortifies your tresses to deliver healthier long hair.

Formulated specifically to nourish longer hair, this protective serum is a must-have addition to your haircare routine.


  • Strengthens and protects your hair and scalp
  • Prevents breakage
  • Smooths fibres
  • Enriched with the ceramides and lipids

Directions for Use

  • Apply once or twice each week
  • Apply no more than three pipettes during each treatment
  • Apply to the scalp
  • Massage into your scalp with your fingertips
  • Do not rinse

Please note: This product has a maximum purchase quantity of 5.

UK Delivery




Royal Mail 2nd Class Tracked FREE
(£3.40 for orders under £40) 
2-5 Working Days 
Royal Mail 1st Class Tracked


(£4.20 for orders under £40)

1-3 Working Days

Tracked Courier Service via Yodel

(Mainland UK only)

£5.25 1-2 Working Days 

Royal Mail Special Delivery

£7.95 Next Working Day 

Please see delivery page for EU and rest of world shipping information.