he product you're referring to is the Garnier Fructis Sleek & Shine Anti-Frizz Serum.1 The 150 mL volume is a standard size for this serum, which is also commonly listed as 2$5.1$ fl oz.3Here are the key details about this hair serum:Primary Benefit: Frizz control and long-lasting smoothness, even in high humidity.4Key Ingredients:Argan Oil from Morocco: Known for its nourishing and smoothing properties.5Phyto-keratin / Vegan Keratin: A naturally occurring protein blend that helps to strengthen and replenish the hair fiber.6Formula:Leave-in treatment.7Lightweight, non-greasy formula that does not weigh hair down.8Paraben-free.9