K18 — Curly Girl Method Analysis
We analyzed 11 K18 products for CG Method compatibility.
Most K18 products contain CG-incompatible ingredients. However, 3 products are still approved.
Compare K18 with Other Brands
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Is K18 Curly Girl Approved?
Of the 11 K18 products in our database, 3 (27%) are fully Curly Girl approved, meaning they contain no sulfates, non-water-soluble silicones, or waxes. 8 products are rated caution (containing water-soluble silicones or volatile alcohols), and 0 are rated warning.
Most K18 products contain CG-incompatible ingredients. However, if you're specifically looking for CG-approved options from K18, the 3 approved products listed above are safe to use.
Want to check a K18 product that's not in our database? Paste any ingredient list into our checker →
K18 — Curly Girl Method FAQ
Is K18 Curly Girl approved?
K18 has 11 products, of which 3 (27%) are CG approved. Most K18 products contain CG-incompatible ingredients, but 3 products are still approved.
Which K18 products are CG approved?
We found 3 approved products including DAMAGE SHIELD pH Protective Shampoo 250ml, PEPTIDE PREP Detox Shampoo - Color-Safe 250ml, Molecular Repair Hair Oil - Smooth + Repair Damaged Hair. Browse the full list on this page to see every K18 product with its CG status.
Does K18 use sulfates or silicones?
0 of 11 K18 products contain sulfates, and 0 contain silicones. Use our Ingredient Checker to analyze any specific product.
Where can I buy K18 in United Kingdom?
K18 is available at Sephora and Superdrug in United Kingdom. Visit the retailer pages for direct links to K18 products.
Similar Brands to K18
These brands are available at the same retailers and have a similar product range.
Ouidad
6 products
3 approved · 0 caution · 3 warning
Uriage
4 products
1 approved · 0 caution · 3 warning
Goldwell
68 products
8 approved · 10 caution · 50 warning
Coco & Eve
77 products
35 approved · 22 caution · 20 warning
Olaplex
110 products
33 approved · 12 caution · 65 warning
Biolage
132 products
9 approved · 18 caution · 105 warning
K18 Products by Type
Shampoos
3 products · 2 approved (67%)
Conditioners
1 product · 0 approved (0%)
Other Products
7 products · 1 approved (14%)
Not sure about a specific K18 product? Check any ingredient list →


