Shampoo · Kerastase

Kérastase Genesis Homme Mens Shampoo, Anti-Fall Thickening Shampoo for Weakened & Thinning Hair, 250ml

£30.50 at Boots
4.7 / 5
★★★★★★★★★★
328 reviews across 1 retailer
94% rate it 4 or 5 stars
5★
263
4★
45
3★
12
2★
2
1★
6
Boots4.70★★★★★★★★★★328 reviews (311 with text)

Summary. Reviewers are very positive: 94% give it 4 or 5 stars.

+Positives

  • Volume. Hair looks fuller, with more body. 22 reviews
  • Scent. Reviewers often single out how it smells. 21 reviews
  • Clean feel. Leaves hair and scalp feeling properly clean. 10 reviews
  • Softness. Hair is described as softer and smoother afterwards. 9 reviews
  • Shine. Many notice extra shine. 6 reviews

−Negatives

No complaint came up often enough to report.

Last 12 months: 4.8 from 55 reviews, in line with the all-time score.
Product-specific reviews only: 2 reviews that also appear on other products were left out, so every review here is about this product.

Reviews from 19 Apr 2022 to 15 Aug 2026. 17 are star ratings without text.