Styling & other · TRESemmé

TRESemmé Keratin Seal Smooth Hair Oil 100ml

£6.25 at Boots
4.7 / 5
★★★★★★★★★★
329 reviews across 1 retailer
93% rate it 4 or 5 stars
5★
239
4★
67
3★
21
2★
2
1★
0
Boots4.65★★★★★★★★★★329 reviews

Summary. Reviewers are very positive: 93% give it 4 or 5 stars.

+Positives

  • Softness. Hair is described as softer and smoother afterwards. 216 reviews
  • Scent. Reviewers often single out how it smells. 158 reviews
  • Shine. Many notice extra shine. 128 reviews
  • Frizz and curls. Helps tame frizz and define curls. 124 reviews
  • Lather. Foams up readily, so each wash needs only a little product. 33 reviews

−Negatives

  • Residue. Some say it leaves hair greasy, heavy or coated. 12 reviews
Last 12 months: 4.7 from 329 reviews, in line with the all-time score.
Product-specific reviews only: 4 reviews that also appear on other products were left out, so every review here is about this product.

Reviews from 27 May 2026 to 28 Aug 2026.