A professional antioxidant face serum for estheticians and skin therapists working with sensitive clients who want visible radiance and smoother-looking skin. ✨

Powered by a tri-antioxidant blend—Sodium Ascorbyl Phosphate + Vitamin E + Ferulic Acid—it helps neutralize free radicals for daily defense, boost luminosity, and soften the look of fine lines. The lightweight, non‑comedogenic texture slots easily into daytime protocols and retail routines. 🛡

Formulated for comfort and compliance, it’s clinically tested for sensitive skin and made without parabens, sulfates, or synthetic fragrance. Clients notice a brighter glow and a more refined look with consistent use. 🔬

Add this dependable daytime antioxidant step to your services and retail lineup with Nihon Antioxidant Serum.

• Antioxidant Defense: Helps neutralize free radicals to protect skin from oxidative stress (Vitamin E, Sodium Ascorbyl Phosphate, Ferulic Acid).
• Brighter Look: Visibly boosts radiance/brightness for a more luminous complexion (Sodium Ascorbyl Phosphate).
• Smoother Appearance: Helps soften the look of fine lines for a more refined skin texture (Ferulic Acid with antioxidants).

Sodium Ascorbyl Phosphate: Antioxidant vitamin C derivative that helps defend against free radicals and visibly boosts radiance/brightness in a leave-on serum.

Tocopheryl Acetate (Vitamin E): Fat-soluble antioxidant that helps neutralize free radicals to protect skin from oxidative stress.

Ferulic Acid: Phenolic antioxidant that supports anti-aging benefits, helping to soften the look of fine lines.

1. Cleanse your face with KIREI Cleanser.
2. Apply 3 to 5 drops to clean skin in the morning.
3. Follow with RYO Moisturizer.