buttah. 15% Vitamin C Serum for Face, 1 fl oz — Brightening, Ferulic Acid & Vitamin E for Uneven Tone

buttah. 15% Vitamin C Serum is a daily topical serum formulated to even skin tone and support brightness with vitamin C, ferulic acid, and vitamin E in a lightweight, green-tea–scented formula.

This serum combines a stable 15% vitamin C concentration with ferulic acid and vitamin E to address uneven pigmentation and support skin comfort. The formula is designed for topical use on the face, absorbs quickly, and includes calming green tea fragrance elements. It aims to reduce the appearance of dark spots and redness while providing antioxidant support against environmental stressors.

How should I incorporate this vitamin C serum into my daily routine?

Use the serum once daily, preferably in the morning after cleansing and before moisturizer and sunscreen to get antioxidant benefits throughout the day. Start with a patch test to assess skin sensitivity, then apply a few drops over the face and neck, gently pressing in until absorbed.

• Apply after cleansing and toner, before moisturizer.
• Use 3–5 drops for full-face coverage.
• Pair with broad-spectrum SPF in daytime routines.
• Introduce gradually if you have sensitive skin.

What skin concerns does this product target and how effective is it?

The serum is formulated for uneven skin tone, visible dark spots, and general dullness by delivering 15% vitamin C plus ferulic acid, which helps stabilize and enhance vitamin C activity. Vitamin E and soothing ingredients help reduce irritation and support skin resilience while green tea notes add a calming sensory element.

• Targets hyperpigmentation and uneven tone.
• Provides antioxidant support against daily environmental stressors.
• Includes vitamin E for nourishment and comfort.
• Ferulic acid boosts vitamin C stability and performance.

Is this serum suitable for sensitive or dry skin?

The formula includes soothing and anti-inflammatory components intended to reduce redness and irritation, and vitamin E contributes moisturizing benefits. If you have very reactive skin, perform a patch test and introduce the product slowly to ensure tolerance.

• Gentle, calming formulation with anti-inflammatory benefits.
• Vitamin E helps support hydration and barrier function.
• Patch-test recommended for very reactive skin.
• Use less frequently at first if sensitivity appears.

What are the key ingredients and what do they do?

The serum centers on 15% vitamin C as the active brightening ingredient, supported by ferulic acid to enhance stability and antioxidant power, and vitamin E to nourish and protect skin lipids. Additional calming elements and a light green tea scent improve user comfort and sensory experience.

• 15% vitamin C — works to even skin tone and brighten.
• Ferulic acid — stabilizes vitamin C and amplifies antioxidant benefits.
• Vitamin E — nourishes skin and supports barrier function.
• Green tea-scented base — soothes and calms during application.

Who is this for: This serum is intended for people seeking to address uneven skin tone, dark spots, and dullness with a potent topical antioxidant blend. It suits those who prefer a lightweight, fast-absorbing serum with additional calming and nourishing ingredients, and who will pair it with daytime sun protection for best results.