Vitamin C ∙ Ascorbic Acid
| Time Frame | Effect of Vitamin C in Skincare | Suitable Skin Types |
|---|---|---|
| 1 week | Improved hydration, smoother and brighter complexion; initial reduction in redness and puffiness. | All skin types, including sensitive and dry |
| 2–4 weeks | Noticeable fading of dark spots and early hyperpigmentation; enhanced radiance and more even skin tone. | All skin types |
| 4–8 weeks | More even skin tone, visible brightening, reduced redness and hyperpigmentation; initial improvements in skin texture. | All skin types, especially those with dullness or discoloration |
| 8–12 weeks | Increased collagen production, reduced fine lines and wrinkles, firmer skin, and significant anti-aging benefits. | All skin types, including mature skin |
