PRO C4 Retinol Serum

Lira Clinical’s PRO C4 Retinol Serum is an advanced corrective serum combining 1% retinol with four forms of vitamin C and powerful botanicals to brighten, firm, and rejuvenate aging skin. This clinical-strength formula promotes cellular turnover, refines texture, and reduces the appearance of fine lines, wrinkles, and pigmentation.

• 1% retinol promotes cell turnover and collagen production
• Four forms of stabilized vitamin C brighten and protect
• Botanicals and antioxidants calm and condition the skin

How to use: Apply a small amount to clean, dry skin in the evening. Follow with moisturizer. Use sunscreen daily. Begin with 2–3 times per week and increase as tolerated.