Paula's Choice 25% Vitamin C Face Serum, 1 oz — Glutathione & Antioxidants, Fragrance-Free Brightening & Firming

Paula's Choice 25% Vitamin C Serum is a clinical-strength, fragrance-free face serum that uses a stable 25% vitamin C blend plus glutathione and GAP technology to help improve uneven tone, brighten discoloration, and support visible firmness without added irritation.

This serum combines both oil- and water-soluble forms of vitamin C with glutathione and a pro-collagen complex to deliver antioxidants deeply and steadily into the skin. Designed for all skin types, the formula aims to boost radiance, help correct sun-induced discoloration, and support elasticity while minimizing common sensitivity linked to high-strength vitamin C products. It’s presented in a 1 oz bottle and crafted to pair with regular sunscreen for daytime antioxidant protection.

How does this serum help reduce discoloration and uneven tone?

The concentrated 25% vitamin C blend is formulated to target visible discoloration and uneven pigmentation by delivering antioxidant support and promoting a brighter complexion. Glutathione works alongside vitamin C to enhance corrective action while GAP technology helps skin recycle its own antioxidant resources for longer-lasting benefits.

• 25% blend of oil- and water-soluble vitamin C for steady skin delivery
• Glutathione included to support brightening pathways
• GAP technology helps regenerate skin’s vitamin C and E levels
• Fragrance-free to reduce the risk of irritation during use

Will this high-strength vitamin C serum irritate sensitive skin?

Although 25% is a potent concentration, the formula is engineered to lower irritation risk by combining glutathione and GAP technology, which enhance stability and antioxidant synergy. Many users find the product suitable for all skin types when introduced gradually and paired with soothing, non-irritating skincare steps.

• Stabilized vitamin C blend to reduce oxidation and reactivity
• Glutathione helps buffer potency and supports skin resilience
• Fragrance-free, no unnecessary sensitizing ingredients
• Start with every-other-day application if your skin is reactive

How should I include this serum in my skincare routine?

Apply the serum after cleansing and any lightweight water-based treatments, then follow with moisturizer and sunscreen during the day. Because vitamin C provides antioxidant defense, using it before broad-spectrum SPF enhances daily protection against environmental stressors.

• Cleanse thoroughly, then apply toner or hydrating essence if used
• Dispense a few drops of serum and smooth evenly over face
• Layer moisturizer and finish with SPF for daytime use
• Introduce gradually—use nightly or alternate nights, then increase

What visible improvements can I realistically expect and when?

Results vary, but many users notice improved radiance and reduced appearance of uneven tone over weeks of consistent use. The formula’s pro-collagen complex also aims to support elasticity and the appearance of firmer skin with continued application.

• Early: brighter, more radiant-looking skin within weeks
• Ongoing: visible reduction in discoloration with regular use
• Longer-term: support for elasticity and firmer appearance
• Pairing with sunscreen preserves and enhances benefits

Who is this for: Paula's Choice 25% Vitamin C Serum is tailored to people seeking a high-potency antioxidant treatment to address discoloration, dullness, and loss of firmness. It suits all skin types when used thoughtfully—particularly those comfortable with potent actives and users looking for fragrance-free, clinically-minded formulations. If you have very reactive skin, consider starting slowly or consulting a skincare professional for personalized guidance.

Ingredients

Water/Aqua/Eau, Tetrahexyldecyl Ascorbate, Dimethicone, Glycerin, C9-12 Alkane, Ascorbyl Glucoside, Silica, Pyrus Malus (Apple) Fruit Extract, Hydrogenated Lecithin, Polyglyceryl-6 Polyricinoleate, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Xanthan Gum, Oryza Sativa (Rice) Bran Extract, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Cetyl Alcohol, Caprylyl Glycol, Lysine Carboxymethyl Cysteinate, Coco-Caprylate/Caprate, Tocopherol, Glutathione, Sodium Citrate, Sodium Phytate, Hexylene Glycol, Ethylhexylglycerin, Helianthus Annuus (Sunflower) Extract, Urea, Mannitol, Caprylic/Capric Triglyceride, Sodium PCA, Rosmarinus Officinalis (Rosemary) Leaf Extract, Polysorbate 60, Sorbitan Isostearate, Trehalose, Ascorbic Acid, Glucose, Vanilla Planifolia Fruit Extract, Polyquaternium-51, Ergothioneine, Triacetin, Sodium Hyaluronate, Phenoxyethanol