From the Manufacturer: 

Pureology Strength Cure Dream Healer Serum is an advanced Repairing Treatment for Damaged Hair – Strengthening Serum to Prevent Breakage and Restore Shine.

The professional solution to repair damaged hair and restore "virgin-like" strength. Strength Cure Dream Healer is a weightless, high-performance hair serum engineered to heal strands from heat styling and chemical processing. This leave-in treatment penetrates deep to deliver 7x stronger hair, while instantly sealing split ends for a smooth, polished finish.

Reduces breakage by 85%*: Strengthens the hair cortex to prevent future damage.
7x Stronger Hair: Clinically proven to fortify damaged, color-treated hair.
Up to 72 Hours of Shine and Softness**: Long-lasting brilliance and improved hair elasticity.
72-Hour Frizz Control**: 89% of users agree hair looks smooth and frizz-free**.
Instant Absorption: Ultra-lightweight formula that leaves no residue.
Up to 450°F Heat Protection: Essential treatment for heat-damaged hair.
100% Vegan & Clean:

Formulated with Antifade Complex® and without parabens or mineral oil.

Delicacies at Dusk: An indulgent respite with bright aromas of bergamot and jasmine, grounded by earthy amber.

Key Functional Ingredients:

Lactic Acid: Naturally derived to soften hair and improve moisture retention.
Amino Acids: Known to retain moisture within the fiber, helping to prevent breakage.
Citric Acid: Penetrates the fiber to reinforce inner strength and repair damaged hair.
Sunflower Seed Oil (Antifade Complex®): Provides antioxidant protection for Color Care vibrancy.