Hair Serums

Browse Kose hair serums with complete ingredient breakdowns for every product. Safety scores, irritant checks, and skin compatibility ratings.

Stephen Knoll Color Couture Cream Hair Color
KoseStephen Knoll Color Couture Cream Hair Color
25%
Je l'aime Relax Midnight Repair Water Treatment
KoseJe l'aime Relax Midnight Repair Water Treatment
61%
Stephen Knoll Color Couture Color Treatment 003 Amber Brown
KoseStephen Knoll Color Couture Color Treatment 003 Amber Brown
60%
Bioliss Botanical Bangs Repair Powder
KoseBioliss Botanical Bangs Repair Powder
74%
Bioliss Botanical Detail Make Hair Stick
KoseBioliss Botanical Detail Make Hair Stick
64%
Bioliss Botanical Point Hair Stick
KoseBioliss Botanical Point Hair Stick
64%
Bioliss Botanical Water Treatment
KoseBioliss Botanical Water Treatment
60%
DECORTE AQ Boosting Treatment Hair Serum
KoseDECORTE AQ Boosting Treatment Hair Serum
60%
DECORTE AQ Boosting Treatment Hair Serum
KoseDECORTE AQ Boosting Treatment Hair Serum
61%
DECORTE AQ Replenish Hair Essence
KoseDECORTE AQ Replenish Hair Essence
72%
DECORTE AQ Scalp & Hair Energizer
KoseDECORTE AQ Scalp & Hair Energizer
62%
Je l'aime Fantasist Concentrate Oil
KoseJe l'aime Fantasist Concentrate Oil
77%
Je l'aime iP Thalasso Repair Illuminated Hair Oil
KoseJe l'aime iP Thalasso Repair Illuminated Hair Oil
76%
Kirage Angelic Ring Treatment
KoseKirage Angelic Ring Treatment
77%
Stephen Knoll Color Couture Color Treatment 001 Pureonyx Black
KoseStephen Knoll Color Couture Color Treatment 001 Pureonyx Black
57%
Stephen Knoll Color Couture Color Treatment 002 Garnet Brown
KoseStephen Knoll Color Couture Color Treatment 002 Garnet Brown
57%
Stephen Knoll Color Couture Color Treatment Trial 001 Pureonyx Black
KoseStephen Knoll Color Couture Color Treatment Trial 001 Pureonyx Black
57%
Stephen Knoll Color Couture Color Treatment Trial 003 Amber Brown
KoseStephen Knoll Color Couture Color Treatment Trial 003 Amber Brown
60%
Stephen Knoll Color Couture Liquid Hair Color
KoseStephen Knoll Color Couture Liquid Hair Color
26%
Stephen Knoll Color Couture Refresher Color Treatment 004 Sapphire Ash Trial
KoseStephen Knoll Color Couture Refresher Color Treatment 004 Sapphire Ash Trial
59%
Stephen Knoll Color Couture Refresher Color Treatment 005 Amethyst Greige
KoseStephen Knoll Color Couture Refresher Color Treatment 005 Amethyst Greige
58%
Stephen Knoll Color Couture Refresher Color Treatment 005 Amethyst Greige Trial
KoseStephen Knoll Color Couture Refresher Color Treatment 005 Amethyst Greige Trial
58%
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