Dr. Althea Vitamin C Boosting Serum (Renewed) is a daily facial serum that combines Vitamin C with Tranexamic Acid to effectively brighten skin and improve uneven skin tone. This lightweight vegan formula targets dark spots, hyperpigmentation, and dullness, while helping to strengthen the skin barrier. Suitable for all skin types, it absorbs quickly without stickiness, leaving the skin refreshed, radiant, and glowing with daily use. “Every cosmetics order includes free samples, sent at random. If a sample is unavailable, we may substitute it with a similar product.”