10 Best Hair Oils 2025 in the United States

The Olaplex No. 7 Bonding Oil is a versatile hair oil designed to suit all hair types, including damaged and color-treated hair. One of its major strengths is its ability to significantly increase shine, with a 125% improvement reported compared to bleached hair without the oil. This product also offers impressive frizz control for up to 72 hours, making it a great choice for those in humid environments. Additionally, it provides heat protection up to 450°F/232°C, which is beneficial for individuals who frequently use styling tools.

The oil's formula is free from sulfates, gluten, aluminum, parabens, and formaldehyde, making it suitable for those with sensitivities to these ingredients. It also promises a 77% reduction in hair breakage, helping to strengthen and protect hair for a visibly healthier appearance. The Olaplex No. 7 Bonding Oil is unscented, which can be a plus for those who prefer fragrance-free products. However, some users may miss the sensory experience that a pleasant scent can provide.

The oil is lightweight and absorbs quickly, ensuring that it does not leave a greasy residue, which is a common concern with hair oils. On the downside, the bottle contains only 1 fluid ounce of product, which might not be cost-effective for those with long or thick hair who require more frequent usage. Despite this, the concentrated formula means a little goes a long way. The Olaplex No. 7 Bonding Oil is a high-performing product that offers multiple benefits such as shine enhancement, heat protection, and frizz control, making it a solid choice for anyone looking to improve the health and appearance of their hair.

The Moroccanoil Treatment, 3.4 Fl. Oz., is a well-regarded hair oil suitable for all hair types. Key ingredients include high-quality argan oil, which is known for its excellent conditioning and moisturizing properties. This oil helps to smooth frizz and flyaways, detangle hair, and increase shine significantly, making it beneficial for those with dry or damaged hair. Its alcohol-free formulation ensures it won't dry out the hair, which is a plus for maintaining moisture balance.

The signature Moroccanoil scent is pleasant and not overpowering, adding a touch of luxury to the experience. The product absorbs relatively quickly without leaving a greasy residue, which is ideal for those who prefer light-feeling hair products. However, as with any product, some people with very fine hair might find it a bit heavy if too much is applied.

The versatility of this oil allows it to be used as a conditioning, styling, and finishing tool. One minor drawback could be its higher price point compared to other hair oils on the market, but its performance and quality ingredients often justify the cost for many users. It's a reliable choice for anyone looking to improve their hair's health and appearance with a single product.

Mielle Organics Rosemary Mint Scalp & Hair Strengthening Oil is designed for all hair types, including textured hair (types 3A to 4C), chemically treated hair, and various porosity levels. This versatility makes it a good choice for users looking for a single oil that works across diverse hair conditions. The formula includes biotin and over 30 essential oils, which aim to nourish the scalp, strengthen hair, and soothe dryness.

The oil is lightweight enough to be used daily or as a deep treatment, and it helps smooth split ends for a shinier, healthier look. With a fresh rosemary scent, it offers a pleasant, invigorating experience without being overpowering. The product absorbs well, meaning it doesn’t leave hair feeling greasy or heavy, which is important for comfort and styling.

One downside is that with such a complex blend of ingredients, some users with sensitive skin might want to patch test first to avoid irritation. Also, the 2-ounce size is relatively small, so frequent use might require repurchasing sooner than larger bottles. This oil is a solid pick for those seeking a moisturizing, strengthening, and scalp-soothing hair oil that suits a variety of hair types and textures, while delivering a nice scent and manageable texture.