Treatments & masks · Kerastase
Kérastase Première Decalcifying Repairing Pre-Shampoo Hair Treatment For Damaged Hair 45ml
£15.50 at Boots4.7 / 5
★★★★★★★★★★1,292 reviews across 1 retailer
92% rate it 4 or 5 stars
92% rate it 4 or 5 stars
5★
1,015
4★
170
3★
63
2★
20
1★
24
Boots4.65★★★★★★★★★★1,292 reviews (1,283 with text)
Summary. Reviewers are very positive: 92% give it 4 or 5 stars.
+Positives
- Softness. Hair is described as softer and smoother afterwards. 96 reviews
- Shine. Many notice extra shine. 50 reviews
- Scent. Reviewers often single out how it smells. 35 reviews
- Repair. Damaged or breaking hair seems stronger. 35 reviews
- Clean feel. Leaves hair and scalp feeling properly clean. 25 reviews
−Negatives
- Can be drying. Some find it leaves hair dry, rough or stripped. 10 reviews
- Shedding. Some reviewers link it to more shedding or hair fall. 5 reviews
Last 12 months: 4.7 from 222 reviews, in line with the all-time score.
Product-specific reviews only: 133 reviews that also appear on other products were left out, so every review here is about this product.
Reviews from 11 Feb 2024 to 17 Aug 2026. 9 are star ratings without text.