You can get a free sample of Red by Kiss Growth MD Scalp Serum through a social media promotion. To increase your chances of receiving the offer, you should follow the brand on social media platforms like Facebook and Instagram, interact with their posts, and search for the brand online. Keep an eye on your feed for the sample to appear, then click 'Get Offer' to claim it. 

Lightweight serum to nourish dry scalp, support hair growth and stimulate the scalp and follicle Formulated with B vitamins and potent active ingredients to reduce signs of shedding for thicker, fuller looking hair