Introducing Lamelle’s advanced new form of RA in Correctives 3.0 RA Serum. A few drops of this non-prescription ester of all-trans retinoic acid in a clear serum form applied to clean and dry skin at night – after water-based serums but before moisturiser – provides better results in treating the signs of ageing, reducing pores, evening out complexion and controlling oil production thus unclogging pores than nearly all other forms of non-prescription retinoid. USE ONLY UNDER THERAPIST INSTRUCTIONS AND SUPERVISION. Do not combine it with other active ingredients unless directed by your therapist. ANY REACTIONS AS A RESULT OF THIS PRODUCT WITHOUT PRIOR CONSULTATION WILL NOT BE CONSIDERED.