Shampoo · Kiehl's

Kiehls Amino Acid Shampoo Refill 1000ml

£48.80 at Boots
4.5 / 5
★★★★★★★★★★
753 reviews across 1 retailer
86% rate it 4 or 5 stars
5★
574
4★
77
3★
29
2★
14
1★
59
Boots4.45★★★★★★★★★★753 reviews (373 with text)

Summary. Reviewers are mostly positive: 86% give it 4 or 5 stars and 10% give it 1 or 2.

+Positives

  • Scent. Reviewers often single out how it smells. 104 reviews
  • Clean feel. Leaves hair and scalp feeling properly clean. 77 reviews
  • Softness. Hair is described as softer and smoother afterwards. 75 reviews
  • Shine. Many notice extra shine. 44 reviews
  • Lather. Foams up readily, so each wash needs only a little product. 25 reviews

−Negatives

  • Residue. Some say it leaves hair greasy, heavy or coated. 18 reviews
  • Can be drying. Some find it leaves hair dry, rough or stripped. 10 reviews
  • Scalp irritation. A minority report itching, burning or redness. 10 reviews
  • Packaging. Complaints about pumps, caps, nozzles or leaking bottles. 9 reviews
Last 12 months: 4.5 from 40 reviews, in line with the all-time score.

Reviews from 17 Oct 2010 to 10 Aug 2026. 380 are star ratings without text.