WATCH: Make The Viral Rosemary Hair Oil That Everyone's Talking About

WATCH: Make The Viral Rosemary Hair Oil That Everyone's Talking About

Formula Botanica

Source: Formula Botanica https://youtu.be/O9HW-2zOXA0?si=nTXRLEoHu048Qg7m

This DIY rosemary hair oil nourishes and protects your strands, smells incredible, and is one of the quickest, most luxurious products you’ll ever make. With a recipe this simple, there’s virtually no risk of it flopping - perfect for beginners who want to try their hand at formulating.

What does this hair oil do?

For the Scalp:

  • Nourishes and balances - rich in essential fatty acids, antioxidants, and soothing compounds that hydrate, calm irritation, and help regulate oil production.
  • Stimulates circulation - rosemary, eucalyptus, and horse chestnut support healthy blood flow to the follicles, encouraging stronger hair.
  • Supports scalp health - antibacterial and antioxidant activity helps with dandruff, itchiness, and overall barrier protection.

For the Hair:

  • Moisturises and strengthens - coats and penetrates the hair shaft, reducing breakage and split ends.
  • Protects from damage - antioxidants protect against UV and environmental stress.
  • Adds softness and shine - smooths the cuticle, taming frizz and leaving hair glossy and manageable.

Can this be used elsewhere on the body?

  • Beard Oil – yes! Lightweight, nourishing oils and a fresh scent keep both beard and skin comfortable.
  • Face and Body Oil - possible, but on the richer side. If your skin is oily or acne-prone, patch test first or swap heavier oils (avocado, pumpkin seed) for lighter ones like rosehip, tamanu, or squalane. For facial use, keep essential oils at ~1% max.

What You'll Need

Supplies:

Ingredients:

Click here to download this formula.

How to use:

Apply a few drops to your scalp, massaging in with circular motions, and smooth through the ends of your hair. Leave on for at least an hour (or overnight) before washing out for best results.

Want more formulas?

Formula Botanica runs their exclusive free masterclass series only twice a year. The next one begins 2 October 2025 – sign up now and the first lesson will land straight in your inbox :) 

In this free course, you’ll learn:

  • Essential formulation equipment
  • Step-by-step methods
  • How to preserve your creations safely

Don’t miss out – get your masterclass kit below and make sure to sign up for the free masterclass!

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Formula Botanica Botanical Pumpkin Face Cream Masterclass Ingredients Kit

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Formula Botanica

Formula Botanica is the world's leading Organic Cosmetic Science School.

They are accredited, award-winning, and teach 100% online courses and programs for people who want to start or grow their own natural and organic skincare business, with an international student community hosting over 22,000 formulators in 190 countries (including some of our very own employees).

See more here:
https://formulabotanica.com/


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Unless specifically stated otherwise, our products and recipes are intended for external use only. Always follow usage instructions carefully, use ingredients mindfully, and patch test first whenever trying an ingredient/formulation for the first time. The content on our blog is shared for informational and educational purposes and is not intended to replace professional medical advice, diagnosis, or treatment. If you’re pregnant, breastfeeding, on medication, or managing a health condition, please consult a qualified healthcare provider before using new ingredients or remedies.

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