ZOLA Laminating compound 03 Keratin Serum. Step 3. A unique complex for the care of eyebrows and eyelashes, containing hydrolyzed keratin, glycerin, panthenol, lactic acid, which nourish and moisturize the hair from the inside. The components of this composition are completely absorbed into the hair in a few minutes, effectively penetrate deep into the hair and strengthen it. Does not leave a greasy effect after the procedure.