Vitamin C results,
without the traditional harshness.
STEM C-20 targets dullness, uneven-looking tone, and environmental stress with stable Sodium Ascorbyl Phosphate (SAP)—a form of Vitamin C selected with sensitive skin in mind.
WHY STABLE VITAMIN C MATTERS
Not all Vitamin C is the same.
Traditional Vitamin C can deliver visible benefits, but its highly acidic nature may also cause stinging, redness, or discomfort—especially in sensitive skin.
01
Traditional Vitamin C
Highly acidic forms may brighten the skin, but they can also feel harsh and become difficult for sensitive skin to tolerate.
02
The Natanna approach
Stable SAP Vitamin C targets dullness and uneven-looking tone while providing antioxidant protection—without relying on a highly acidic formula.
PERFORMANCE YOU CAN FEEL
Milky. Lightweight.
Made to layer.
A fast-absorbing milky serum that delivers Vitamin C, hydration, and antioxidant support without heaviness, stickiness, or pilling.
FAST-ABSORBING DAILY TEXTURE
LAYERS UNDER MOISTURIZER AND SPF
MADE FOR AM AND PM USE
MORE THAN VITAMIN C
Every ingredient has a role.
Targeted brightening, antioxidant defense, and lightweight hydration—working together in one refined formula.
SAP
Stable Vitamin C
Targets dullness and uneven-looking tone while providing antioxidant protection in a form suited to sensitive skin.
01
Ferulic Acid + Vitamin E
Complementary antioxidants that reinforce the formula’s defense against environmental stress.
02
Aloe + Hyaluronate
Replenishing hydration that leaves skin feeling smoother, softer, and comfortably balanced.
ONE SERUM · MULTIPLE BENEFITS
Meet STEM C-20.
The brightening, smoothing, and antioxidant benefits you expect from Vitamin C—in a stable formula designed with sensitive skin in mind.
BRIGHTENS · SMOOTHS · HYDRATES