Vitamin C (Ascorbic acid)

Vitamin C (Ascorbic Acid) is one of the most known cosmetic active, often used in 'anti-aging' products, it is prized for its antioxidant, brightening, and firming properties. It helps even skin tone, reduce dark spots and hyperpigmentation, stimulate collagen production, and enhance skin radiance and elasticity. Water-soluble and highly potent, it can be incorporated into creams, serums, toners, gels, masks, after-sun care, and even hair care products to support scalp health and improve hair quality. As a highly reactive ingredient, Vitamin C is sensitive to light, heat, oxygen, and high pH, which can lead to rapid oxidation and loss of efficacy. Its effectiveness depends heavily on careful formulation: it performs best at acidic pH levels (around 2.5–4), should be stored in airtight, opaque containers. Combining it with other antioxidants, such as Vitamin E or ferulic acid in anhydrous formulation, can help stabilize the formulation and preserve its benefits. In cosmetic applications, Vitamin C functions as an antioxidant, pH regulator, and photoprotective agent. It improves skin texture, minimizes fine lines and wrinkles, soothes irritation, and enhances overall radiance. Despite its potency, its instability can make it challenging to formulate, requiring precise handling to ensure maximum efficacy.

Application types

CapillaryAll, Brittle, Damaged, Dull
CutaneousAll, Blemish prone skin, Damaged, Dull, Mature, Redness prone skin, Tanned

Conservations

  • Keep away from light
  • Keep cooler
  • Keep dry
  • Keep tightly closed

Information

OdorsOdorless
INCI functions
Antioxidant, Masking agent, pH regulator, Skin care
Plant partsFruit
Very acidic pH2.1-2.8 pH

Recommended concentrations

Products applied to the face/body using fingertips5-15%
Body lotion products applied to the body using the hands (palms), primarily leave on5-15%
Face moisturizer products applied to the face using the hands (palms), primarily leave on1-15%
Hand cream products applied to the hands using the hands (palms), primarily leave on5-15%
Rinse-off products applied to the hair with some hand contact0.5-5%
Leave-on products applied to the hair with some hand contact0.5-5%

Keep out of reach of children. Avoid contact with eyes; in case of contact, rinse immediately and thoroughly with clean water. DO NOT SWALLOW. This ingredient should not be used alone; always follow the recommended mixing instructions.

The content shared on Berry is intended for informational purposes only and relates solely to homemade cosmetic preparations for personal use. It is not intended to prevent, diagnose, treat, or cure any disease. These recipes are not medications and should not be considered medical or therapeutic advice.

Cosmetic products are solely intended to clean, perfume, protect, maintain, or enhance the appearance of the skin, hair, or nails. They should not be used for any other purposes.

Each user is responsible for how they use the information available on the app. Berry strongly recommends performing a patch test on a small area of skin before first use. If you experience irritation, discomfort, or have any concerns, consult a healthcare professional.

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