Shampoo · Kerastase

Kérastase Resistance Strengthening Shampoo, Damaged hair seeking healthier length, With Creatine, Bain Extensioniste, 250ml

£30.50 at Boots
4.6 / 5
★★★★★★★★★★
563 reviews across 1 retailer
91% rate it 4 or 5 stars
5★
437
4★
75
3★
24
2★
7
1★
20
Boots4.60★★★★★★★★★★563 reviews (550 with text)

Summary. Reviewers are very positive: 91% give it 4 or 5 stars and 5% give it 1 or 2.

+Positives

  • Scent. Reviewers often single out how it smells. 61 reviews
  • Growth. Some longer-term users feel their hair is growing better. 53 reviews
  • Clean feel. Leaves hair and scalp feeling properly clean. 44 reviews
  • Softness. Hair is described as softer and smoother afterwards. 43 reviews
  • Repair. Damaged or breaking hair seems stronger. 40 reviews

−Negatives

  • Can be drying. Some find it leaves hair dry, rough or stripped. 18 reviews
  • Residue. Some say it leaves hair greasy, heavy or coated. 7 reviews
Last 12 months: 4.9 from 112 reviews, above the all-time score.
Product-specific reviews only: 3 reviews that also appear on other products were left out, so every review here is about this product.

Reviews from 22 Jun 2018 to 15 Aug 2026. 13 are star ratings without text.