The JOOY Soothing Scalp Serum is a full-size product at 1.69 oz (50mL), designed for all hair types. Made with tea tree oil, this serum helps control flaking scalp, detoxify, and relieve itchiness. With a period after opening of 18 months, this unisex product is perfect for achieving a healthy and soothing scalp. Made in the United States, this standard size serum is brand new in box and ready to provide relief and nourishment to your scalp.