Sky Organics Castor Oil Review: Your Go-To for Thicker Hair, Lashes, & Brows

Independently researched
No brand sponsorships
Hands-on testing
Updated: May 2026
Explained

Is This the Ultimate Natural Hair Growth Treatment?

I put the internet's favorite all-natural beauty staple to the test for nourishing my scalp, lashes, and brows.

Sky Organics’ 100% pure, cold-pressed castor oil is a single-ingredient powerhouse promising fuller, stronger hair for every type. If you’re seeking a simple, botanically-based solution without chemicals or hexane, this 16oz bottle is a compelling option for a dedicated deep conditioning routine.

Why it stands out
  • Truly Pure & High Quality The oil is 100% pure, organic, cold-pressed, and hexane-free, which means its natural Omega fatty acids and vitamins are preserved for maximum benefit.
  • Extremely Thick Consistency This is not a lightweight, everyday oil. Its high viscosity makes it ideal for targeted treatments and masks but requires some effort to apply and wash out.
  • More Than Just Haircare While excellent for scalp, lashes, and brows, its utility extends to moisturizing dry skin patches and even soothing achy areas, making it a versatile home essential.
  • Generous Size Offers Great Value The 16oz bottle is substantial and will last a long time, especially since you only need a small amount per application, offering excellent value for money.
Volume 16 fl oz
Ingredient 100% Pure Organic Ricinus Communis (Castor) Oil
Extraction Method Cold-Pressed, Unrefined
Free From Hexane, Added Chemicals, Fragrance
Key Nutrients Omega Fatty Acids
Certifications USDA Organic, Vegan, Cruelty-Free
Hair Type Suitability All (Straight, Wavy, Curly, Kinky, Coily)
Primary Uses Hair, Scalp, Lashes, Brows, Skin
Best for
Pre-shampoo scalp treatments to nourish follicles and support healthy growth. A nightly routine for conditioning and strengthening eyelashes and eyebrows. Creating DIY deep conditioning hair masks by mixing with lighter oils. Moisturizing very dry skin patches like elbows and heels.
Not for
Anyone wanting a lightweight, leave-in hair oil. Users who prefer quick, low-effort beauty routines. People sensitive to thick, heavy textures on their hair or skin.
Pros
  • USDA Organic, cold-pressed, and hexane-free ensures maximum nutrient retention.
  • Large 16oz bottle provides a long-lasting supply for consistent use.
  • Truly multi-purpose for hair, scalp, lashes, brows, and even skin care.
  • Universally suitable for all hair types and textures, from straight to coily.
  • Noticeably conditions and adds shine to hair after just a few uses as a mask.
Cons
  • The very thick, sticky texture can be difficult to spread evenly through hair.
  • Washing the oil out completely requires thorough shampooing, sometimes twice.
  • The natural, earthy scent may be off-putting to those who prefer fragranced products.
What to look for

Choosing the right Hair Care

  1. Extraction Method
    High
    How the oil is separated from the castor bean directly impacts its quality. The method determines the purity and nutrient profile of the final product.
    Look for
    Labels that clearly state 'cold-pressed' and 'hexane-free'. This method uses mechanical pressure without heat or chemicals, preserving the oil's beneficial compounds.
    Avoid
    Oils that are 'chemically extracted' or don't specify the method. These can contain solvent residues and have a lower nutrient content due to heat processing.
  2. Purity & Certification
    High
    The quality of castor oil is defined by its purity. Additives, fillers, or a lack of certification can diminish its effectiveness and potentially cause irritation.
    Look for
    Products labeled '100% Pure' and certified 'USDA Organic'. This ensures you are getting unadulterated castor oil without pesticides.
    Avoid
    Blends that don't list percentages or products without clear organic certification if purity is your priority.
  3. Packaging
    Medium
    Exposure to light can degrade natural oils, causing them to lose potency and go rancid faster.
    Look for
    Dark amber or cobalt blue glass bottles, or at least opaque plastic. This protects the oil from UV light and preserves its freshness.
    Avoid
    Clear plastic bottles, which offer little to no protection from light degradation.
  4. Viscosity
    Medium
    Pure castor oil has a distinct, naturally thick and viscous texture. This is a sign of its authenticity and is key to its occlusive and conditioning properties.
    Look for
    Reviews or descriptions mentioning a thick, honey-like consistency. This is expected for high-quality, pure castor oil.
    Avoid
    Castor oil described as 'lightweight' or 'runny' unless it's explicitly a blend with other carrier oils, as it may not be 100% pure.
Frequently Asked Questions

Common questions

How do you actually use this thick oil on your hair without making a mess?

For a scalp treatment, I recommend mixing it with a lighter oil like jojoba or almond in a 1:1 ratio. This improves spreadability. Part your hair and use your fingertips or a dropper to apply it directly to the scalp, massage it in, and leave it for at least 30 minutes before shampooing thoroughly.

Is it safe to use for eyelashes and eyebrows?

Yes, it is. The key is careful application. Use a clean spoolie or a fine-tipped cotton swab to apply a tiny amount along the lash line and through the brows before bed. Be careful not to get it directly in your eyes.

Why does my bottle of oil look slightly different in color from my last one?

As stated by Sky Organics, this is a natural, unrefined product. Slight variations in color, texture, and fragrance from batch to batch are completely normal and are actually a sign that it hasn’t been chemically treated or standardized with additives.

Does it have a strong smell?

It doesn’t have an added fragrance, but it does have a distinct natural scent that is slightly earthy and nutty. It’s not overpowering, but it’s noticeable. If you are sensitive to smells, you might want to mix it with a few drops of an essential oil like lavender or rosemary.

Our Verdict

Sky Organics delivers an exceptional quality castor oil that’s pure, effective, and versatile. Its main drawback is its inherently thick texture, which requires some patience. For anyone serious about a natural approach to nourishing hair, lashes, and skin, this is a top-tier choice.

Excellent 9.1 / 10
BUY NOW
Top Pick
100% USDA Organic Cold-Pressed & Hexane-Free 16oz Value Size Hair, Lash & Brow Use
Conclusion
  • Unbeatable purity with its USDA Organic, cold-pressed, and hexane-free formulation.
  • Incredibly versatile, serving as a treatment for hair, scalp, lashes, brows, and skin.
  • Excellent value with a large 16oz bottle that lasts for months.

This is the ideal castor oil for the natural beauty enthusiast who values purity and potency over convenience. If you’re ready to incorporate dedicated treatments into your routine for healthier hair, lashes, and brows, the quality and value of this 16oz bottle are unmatched.