GIOVANNI ECO CHIC Frizz Be Gone – Super Smoothing Anti-Frizz Hair Serum, Adds Shine, Seals in Color, Infused with Natural Botanical Ingredients, Salon Quality, No Parabens – 2.75 oz (1 Pack)

Customers find this hair serum effective at controlling frizz, particularly noting its performance with thick, coarse hair. The product makes hair silky smooth and leaves it looking shiny, with one customer mentioning it works well in humid weather. They appreciate its natural fragrance, well-priced nature, and lightweight formula that doesn't weigh hair down. While most customers say it doesn't make their hair greasy, opinions on this aspect are mixed.