Advanced ocean-derived haircare. 2 lbs of plastic removed per order.
Get 32% Off⭐⭐⭐⭐⭐ 4.9/5.0 · Free Shipping · 30-Day Guarantee


Our ocean-derived formulas restore strength and shine from within. No buildup, no stripping — just hair that feels genuinely healthier.

Most formulas are loaded with microplastics and harsh chemicals you never agreed to. Mar is clean, vegan, and free of everything that doesn't belong.

The ocean is the source of all life on Earth, yet most brands ignore it. Every order funds the removal of 2 lbs of ocean plastic.
Advanced ocean-derived shampoo + conditioner for noticeably healthier hair.
FREE $10 VALUE
FREE $15 VALUE
↺ 30-Day Money-Back Guarantee · Free Returns · Ships in 3–5 Days
Learn More ↓Results after using Mar for 4 weeks
Mar Deep Sea Shampoo + Conditioner
Based on a consumer perception study of Mar Deep Sea Shampoo + Conditioner users after 4 weeks of use.
The source of all life. Certified Clean Beauty.
Fucus and Laminaria extract penetrate the hair shaft to restore moisture from within. Not just surface shine.
No sulfates, parabens, phthalates, or microplastics. What's not in Mar is just as important as what is.
Every bottle is reusable aluminum, not single-use plastic. Better for your hair routine. Better for the ocean.
Through Plastic Bank, every Duo removes 2 full pounds of plastic from the world's waterways.
Vegan Keratin from Marine Brown Algae & Kelp
Hydrates and strengthens hair from within. Rich in vitamins A, C, E and B-complex. Unlike synthetic keratin, Keramere™ is 100% plant-derived and clinically studied for hair resilience.
Pure Marine Hydration for Scalp Health
Sourced from deep-sea marine reservoirs. Acts as a scalp anti-pollution shield, detoxifying and balancing while delivering natural mineral nutrients directly to the hair follicle.
The only hair care that's good for you and the ocean.
OLD WAY
Harsh Chemicals
MAR
Deep Sea Duo
What our community is saying
Formulated by the ocean. Made to perform.
Free shipping · 30-day guarantee · 2 lbs of plastic removed