SADOER Dark Knuckle Whitening Serum with Niacinamide + Vitamin C

SADOER Dark Knuckle Whitening Serum is a targeted brightening and moisturizing serum formulated to help improve the appearance of dark, dull and uneven-looking areas around the knuckles and joints.

The formula features Niacinamide and Vitamin C (3-O-Ethyl Ascorbic Acid), two commonly used skincare ingredients that support a brighter and more even-looking complexion. It also contains hydrating and soothing ingredients such as Betaine, Glycereth-26 and Allantoin, helping condition dry or rough-looking skin while improving its overall appearance.

According to the packaging, the serum is designed to provide brightening, moisturizing, nourishing and skin-conditioning care, particularly for areas affected by visible discoloration or dryness.

Key Features

• Targeted serum for dark-looking knuckles and joints
• Formulated with Niacinamide
• Contains Vitamin C / 3-O-Ethyl Ascorbic Acid
• Contains Allantoin
• Includes moisturizing Betaine & Glycereth-26
• Contains Crithmum Maritimum Extract
• Helps improve the appearance of dark and uneven-looking areas
• Supports brighter and more uniform-looking skin
• Helps moisturize dry or rough skin
• Supports softer and smoother-looking skin
• Lightweight serum formulation
• Suitable for targeted skincare on knuckles and other uneven-looking areas
• Packaging features a 7-day brightening claim

How to Use:
After cleansing and drying the skin, apply a small amount to the desired area and massage gently until completely absorbed. Use consistently according to the directions supplied with the product.

Note: Individual skincare results vary. The “7 day” claim is displayed on the product packaging and should not be interpreted as a guaranteed result. Perform a patch test before first use and discontinue use if irritation occurs.