A Rosemary Wash-Day Oil from Canada

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Rosemary oils have had a real moment lately, thanks in part to Mielle, and a lot of people have added rosemary to their wash-day routine. We make our own take: a rosemary and batana pre-wash oil, blended and bottled in Canada.

Ours is a pre-shampoo treatment rather than a leave-in. You apply it to dry hair, let it sit, then wash it out, so the conditioning happens before you cleanse.

Mermaid Batana & Rosemary Pre-Wash Oil

Mermaid Batana & Rosemary Pre-Wash Oil

Rosemary and batana with jojoba, grapeseed, argan, black seed, and vitamin E. Rosemary-led rather than mint-forward. $23.99.

Shop Mermaid Batana & Rosemary Pre-Wash Oil


Why we like it

  • Rosemary is already blended into nourishing carrier oils, so there is nothing to mix.
  • It leans warm and conditioning on the lengths, not tingly-cool.
  • The ritual is simple: oil, wait, wash.
  • It is made in Canada with CAD pricing and domestic shipping.

Pre-wash vs. leave-in: not the same thing

Hair swells and its cuticle lifts a little in water, right when it loses moisture and softness fastest during a wash. A pre-wash oil goes on before that happens, on dry hair, so it has a chance to protect hair through the wash itself. A leave-in oil goes on wet or towel-dried hair after washing - good for shine and smoothing, but it is not doing the same job.


How to use it

  1. Apply to dry hair and scalp.
  2. Leave on for 30-120 minutes.
  3. Shampoo thoroughly, twice if needed.
  4. Use 1-2 times a week.

Want a step for after wash day too? The Mermaid Hair Duo adds a lightweight Argan & Camellia oil to finish.

Mermaid Hair Duo

Mermaid Hair Duo

Batana pre-wash (60 ml) plus Argan & Camellia nourishing hair oil (30 ml). $44.99.

Shop Mermaid Hair Duo

Does it grow hair?

We do not claim that. What we aim for is softer, smoother, more manageable hair after washing.

Is it made in Canada?

Yes. It ships from within Canada. See our Shipping Policy for current rates and free-shipping thresholds.

Shopping batana in Canada? Start with where to buy batana oil.