How long can I use it for? 04 September 2024 09:47 Updated You can use it without limitation or restriction. The effect is maintained for 2-3 weeks after discontinuing regular use. Related articles Can I use Golden Hour in combination with Ultra Retinol? Can I apply it in the morning? Does it work if I wear make-up? Can I use Invisible Daily Protection in combination with Golden Hour? Can I put it on before sun cream?