Linon Straight Keep Shampoo is a refill shampoo with a soft fresh floral scent.
Features
Contains glyoxylic acid, described as a hair-repair ingredient, to help repair hair damage associated with waves and curls.
Includes hydrolyzed keratin, water-soluble collagen, ceramides, cholesterol, and quaternium-33, which the source describes as moisturizing or hair-repair ingredients.
The shampoo formula is stated to be free of synthetic colorants, mineral oil, parabens, silicone, and sodium laureth sulfate.