Achieve salon-worthy hair with the Olaplex No. 3 and No. 0 Duo. Pairing pre-wash and reparative treatments, the duo works in harmony to leave hair feeling stronger and softer with a healthy-looking shine. Set Contents:No. 3 Hair Perfector 100mlA pre-wash treatment designed to rescue and restore damaged hair as a result of colouring, bleaching and styling. Formulated with a bond multiplying system, it works to re-link broken hair bonds to minimise the risk of split ends and breakages. Expect silky-smooth results. No. 0 Intensive Bold Building Hair Treatment 155mlA bond-building treatment designed to prep hair to improve the absorption of subsequent products and achieve optimum reparative results. Acting as a primer for the No. 3 Hair Perfector, it helps to strengthen and replenish damaged hair. The No. 3 is free of DEA, aldehydes, formaldehyde and Butylphenyl Methylpropional (Lilial). Dermstore has partnered with Flex to allow you to use your Health Savings Account (HSA) or Flexible Spending Account (FSA). This means you can now use your HSA or FSA debit card to buy Olaplex products with pre-tax dollars, resulting in net savings of 30-40%, depending on your tax bracket. Eligible for HSA/FSA with a letter of medical necessity at checkout. From dermatologist-recommended treatments to solutions for chronic skin conditions like acne, eczema, and rosacea, these products are both effective and eligible. | Olaplex No. 3 and No. 0 Hair Perfector Duo | Dermstore