Castor Oil Nourishing Shampoo Bar
Castor Oil Nourishing Shampoo Bar
Castor Oil Nourishing Shampoo Bar
Castor Oil Nourishing Shampoo Bar
Castor Oil Nourishing Shampoo Bar
Castor Oil Nourishing Shampoo Bar

Castor Oil Nourishing Shampoo Bar

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  • Formulated with castor oil to hydrate, balance & calm scalp irritation
  • Nourishes your scalp to help decrease hair breakage & damage
Free shipping Ships in
1-2 Business days
Money back guarantee 90 Day Returns
  • Free of parabens, phthalates, silicones, sulfates, & artificial fragrance
  • Reduces single-use plastic: saves two bottles of liquid shampoo/conditioner
  • PH balanced and safe for color-treated hair
  • Made in the USA with quality ingredients
  • 4OCEAN CERTIFIED: For every shampoo or conditioner bar, 4ocean pulls the equivalent of one shampoo bottle’s worth of plastic from the world's oceans, rivers, and coastlines
Castor Oil

Nourish your hair from roots to ends with the help of Castor Oil, a strand-strengthening and scalp-balancing oil for clean, healthy hair.

Ricinoleic Acid

Ricinoleic Acid can help promote stronger, more luscious hair by stimulating blood flow to your scalp to support healthier hair follicles and growth.

How to achieve salon-quality results:

Wet your hair; rub bar between hands into a rich lather or “paint” directly onto your scalp. Massage with fingertips, then rinse & repeat as desired. Pro tip: Pair with our Beauty Bar Bag.

We are Leaping Bunny certified! The Leaping Bunny Logo is the only internationally recognized symbol guaranteeing consumers that no new animal tests were used in the development of any product displaying it.


Promotes hair growth

Castor oil stimulates hair growth while the shampoo bar gently cleanses your scalp.


Moisturizes hair

The nourishing formula locks in moisture, leaving your hair looking shiny and healthy.



The shampoo bar produces less waste and packaging than traditional liquid shampoo bottles.



A single bar can last up to 80 washes, making it a cost-effective option for your hair care routine.

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Get Stronger, Healthier Hair

Our Castor Oil Shampoo Bar is a natural and effective solution for anyone looking to improve the strength and health of their hair.

  • Promotes hair growth.
  • Reduces hair breakage.
  • Moisturizes dry hair.
  • Helps prevent split ends.
  • Gentle and natural, free from harsh chemicals and synthetic fragrances.
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Say Goodbye to Dry, Damaged Hair

Say goodbye to dry, damaged hair with our Castor Oil Shampoo Bar! Our natural formula, enriched with nourishing castor oil, helps to repair and strengthen hair from the inside out. Say hello to soft, shiny, and healthy-looking locks!

And here are five potential benefits of using our Castor Oil Shampoo Bar:

  • Repairs damaged hair: Our Castor Oil Shampoo Bar contains ingredients that can help repair and restore damaged hair, leaving it looking and feeling healthier.
  • Nourishes and moisturizes: The nourishing properties of castor oil can help moisturize and hydrate dry, brittle hair, giving it a healthy, lustrous shine.
  • Reduces frizz: If you struggle with frizzy hair, our shampoo bar can help. The natural ingredients work to smooth the hair cuticle, reducing frizz and flyaways.
  • Strengthens hair: The fatty acids in castor oil can help to strengthen hair and reduce breakage, making it an excellent choice for those with weak or thinning hair.
  • Environmentally friendly: Our Castor Oil Shampoo Bar is eco-friendly and easy to use, making it a great choice for anyone looking to reduce their environmental impact while still achieving healthy, beautiful hair.