Patents

L’Oréal Patents Method To Treat Chemically Relaxed Hair

US Patent No. 9,974,725 B1.

US  Patent No. 9,974,725 B1; L’Oréal, Paris, has patented a method for treating chemically relaxed hair.

The method entails applying a chemical relaxer composition to the hair and relaxing the hair; rinsing the chemical relaxer composition from the hair; applying a neutralizing composition  and allowing it remain on the hair for 8 to 12 minutes; followed by, without rinsing the neutralizing composition from the hair, applying a neutralizing conditioner to the hair for 8 to 12 minutes; rinsing the neutralizing conditioner and the neutralizing composition from the hair; applying a shampoo to the hair within 15 minutes from rinsing the neutralizing conditioner and the neutralizing composition from the hair; and rinsing the shampoo from the hair.

The neutralizing composition is comprised of maleic acid and/or a salt thereof, monoethanolamine and water.  The neutralizing conditioner is comprised of maleic acid, monoethanolamine, cationic surfactants, fatty compounds, water-soluble solvents and water.

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