Products are split into three levels based on ingredient labels

GO
Best choice
SLOW
Contains ingredients with possible health concerns
STOP
Contains harmful ingredients
STOP

TRESemmé

Flawless Curls Shampoo

Last verified: April 29, 2026

  • Water (Aqua)
  • Sodium Laureth Sulfate
  • Cocamidopropyl Betaine
  • Sodium Chloride
  • Dimethiconol
  • Fragrance (Parfum)
  • Glycerin
  • Carbomer
  • Styrene/Acrylates Copolymer
  • Guar Hydroxypropyltrimonium Chloride
  • TEA-Dodecylbenzenesulfonate
  • Citric Acid
  • Glycol Distearate
  • Thiamine HCl
  • Ascorbic Acid
  • Tocopheryl Acetate
  • Panthenol
  • Niacinamide
  • Biotin
  • Cocamide MEA
  • Tetrasodium EDTA
  • DMDM Hydantoin
  • PEG-45M
  • PPG-9
  • Polysorbate 20
  • Methylchloroisothiazolinone
  • Methylisothiazolinone
  • Mica (CI 77019)
  • Titanium Dioxide (CI 77891)

Why This Product is Rated STOP

Flawless Curls Shampoo by TRESemmé has been evaluated by Million Marker and contains ingredients with known health concerns. This product is rated STOP, indicating higher concern.

We recommend avoiding STOP-rated products and seeking safer alternatives from our GO or SLOW categories.

Learn more about how Million Marker scores products →

Frequently Asked Questions

Flawless Curls Shampoo by TRESemmé - Non-toxic Shampoos + Conditioners product rated STOP by Million Marker, free from BPA, phthalates, and parabens