[BOOSTERS] Make sure you hit save 💾 to keep this top tip with mixing your Dia Light formula with your Booster shade! By mixing the formula together before adding your chosen oxydant, you are ensuring a harmonious blend of both shade and Booster 🖤 Want to purchase? 🛒 Shop on L’Oréal Partner Shop or speak to your local Business Partner @lorealpro @lorealaccess #lorealpro #lorealprouk #loreaproire #lorealaccess