Matthew McConaughey, renowned for his Emmy-winning performances and effortlessly enviable looks, has shared the secret behind his thick, deep-brown curls at age 56: OneSkin’s OS-01 Hair Peptide Scalp Serum.
Known for his iconic scraggly ponytail in True Detective Season One—a look that has become as legendary as the show itself—the actor revealed the hair-care routine that keeps his real hair lush and full.
In an interview with Page Six, McConaughey explained, “[I’ve] been rubbing in a few drops twice daily for a few weeks and must say my hair is fuller,” referring to the unisex serum. The product is designed as an anti-aging treatment for the scalp, targeting the natural thinning and shedding of hair that can occur as we age.
The OS-01 Hair Peptide Scalp Serum works by rejuvenating hair follicles and strengthening strands. Its proprietary OS-01 peptide is designed to slow cellular senescence—a process in which cells age, weaken, and inflame, reducing hair growth. Key ingredients like ginseng promote circulation and prevent cell death, while rice water enhances follicle density, supports hair growth, and improves silkiness.
OneSkin, a science-driven skincare brand, is known for its innovative formulas, including the age-reversal moisturizer famously used by Jennifer Aniston. The hair serum has drawn praise from consumers for its visible effects. While the product suggests a minimum of three months for results, some users report noticing changes in just a few weeks. Testimonials include thicker hair, reduced shedding, and new growth along the hairline, even among users in their 40s and 50s.
Priced at $69, the OS-01 Hair Peptide Scalp Serum is available for purchase directly from OneSkin’s website, alongside other top-rated skincare innovations, including Aniston’s go-to anti-aging moisturizer.
