Augustinus Bader The Retinol Serum 30 ml is an anti-aging facial serum for mature skin. This Retinol Serum harnesses the powerful synergy between pure, therapeutic Retinol – known for gently yet effectively accelerating cell turnover – and the high-performance proprietary TFC8 technology. Working together, the formula of The Retinol Serum 30 ml optimizes the body's natural self-repair ability for skin that appears noticeably refined, restored, and younger-looking, without discomfort or redness.