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.

Kerastase Elixir Ultime Refillable Hair Oil is designed for all hair types, making it a versatile choice for managing shine, smoothness, and strength. Its lightweight formula quickly absorbs without weighing hair down, ideal for those who dislike oily or heavy finishes. The presence of Wild Camellia and other nourishing ingredients helps hydrate and protect hair from heat damage, resulting in softer, frizz-free strands with a noticeable shine.

Users can expect up to 10 times smoother and stronger hair compared to non-conditioning shampoo. The scent is a complex blend of mandarin, freesia, cedarwood, and sandalwood, providing a pleasant but not overpowering fragrance. The eco-friendly refillable bottle, made from recycled materials, adds convenience and helps reduce waste. The 75 ml bottle size is modest, so frequent users may need to refill often.

This hair oil offers excellent moisturizing and smoothing benefits and is best applied to mid-lengths and ends rather than roots to avoid greasiness. It is suitable for anyone looking for a nourishing, lightweight treatment that smooths frizz and adds shine with a pleasant scent, especially appealing to those who value eco-conscious packaging.

Moroccanoil Treatment is a popular hair oil that works well for all hair types, making it a versatile choice if you're unsure about what suits your hair. One of its main strengths is its ability to soften hair, improve hydration, and smooth out frizz and flyaways, which can leave your hair looking shinier and feeling healthier. It also helps with detangling, which is great if your hair often feels knotted or rough. The oil absorbs quickly, so it doesn’t leave a greasy residue, making it easy to use whether on damp or dry hair. It has a pleasant, signature fragrance that is noticeable but not overpowering, adding a nice touch to your hair care routine.

Another plus is that it's free from sulfates and parabens, which many people look for to avoid harsh chemicals. On the downside, some may find the price a bit high compared to other hair oils, and the scent, while appealing to many, might not suit everyone’s preference. Since it comes in a 1.7 fluid ounce bottle, the amount is convenient for travel or trying it out before committing to a larger size.

In essence, Moroccanoil Treatment is an effective, moisturizing hair oil that suits a wide range of hair types and needs, especially if you want to tame frizz and add shine without heavy buildup.