Home / Hair Loss Treatments / Hair Fibers / Concealers / COUVRé Masking Lotion COUVRé Masking Lotion COUVRé making lotion is a colored cream you apply which is designed to minimize the contrast between your hair and your scalp. COUVRé is a specially formulated lotion compound that eliminates the contrast between thinning hair and scalp. This masking formula is easy to apply and so subtle, no one will ever know you’re wearing it. It’s not greasy or sticky, and won’t rub off or stain. COUVRé cannot block pores or interfere with normal hair growth in any way. See why Doctors have been recommending COUVRé for over 20 years to their hair loss patients.