Combat signs of ageing with Paula's Choice 1% Retinol Booster, a powerful concentrate that works to improve the appearance of ageing or sun damaged skin. Designed to enhance the anti-ageing properties of your favourite serum or moisturiser, the treatment can be added into your current daily routine to deliver wrinkle-reducing, skin-firming benefits. Enriched with 1% stabilised retinol, the antioxidant-rich booster helps stimulate collagen production, repair damaged skin & improve the look of wrinkles, brown spots, loss of firmness & uneven tone. Lightweight in texture, the treatment's dose of willow herb & anti-inflammatories leave skin feeling calm & soothed with enhanced tone & texture. Suitable for all skin types.