Home / K18 K18 Sorry, this product cannot be purchased. PEPTIDE PREP™ detox shampoo $59.00 Read more PEPTIDE PREP™ pH maintenance shampoo $59.00 Read more Olivia Garden Round Thermal Brush – 32mm $27.99 Read more K18 Leave-in Molecular Repair Hair Mask 15ml $46.96 Read more K18 sample size $15.00 Read more K18 leave-in molecular repair hair mask 50ml $94.50 Read more