Experts Say These 2 Popular Hair Oils Actually Do Nothing For Hair Growth: Olive Oil, More

June 23, 2025 by Lisa Cupido

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Hair shedding is a normal part of life, but when you start noticing more strands on your brush, pillow, or in the shower, it can be stressful, especially when it feels like it’s happening all at once. For many women, hair loss can be triggered by a number of factors, including stress, hormonal shifts (like postpartum changes, menopause, or perimenopause), nutritional deficiencies, or even certain health conditions and medications. These changes can throw your body out of balance, and since hair growth is closely tied to overall health, it’s often one of the first places we notice something’s off. One of your best first steps is to make an appointment with your dermatologist to get to the bottom of the cause of your hair loss.

But you also want answers that can help your hair start growing today. Many women turn to hair oils — an age-old remedy said to nourish the scalp, strengthen strands, and support healthier hair. And while some oils are backed by promising results, especially when it comes to shine, softness, and scalp hydration, not all of them are proven to boost actual hair growth. Two of the most popular oils in beauty routines are fantastic for improving the look and feel of your hair but don’t have scientific support when it comes to stimulating new growth. Here are two hair oils that probably won’t help with growth.

1. Coconut Oil

Coconut oil is one of the most popular natural hair treatments out there — and for good reason. It's rich in fatty acids like lauric acid, which can penetrate the hair shaft and help reduce protein loss. This means it can be incredibly helpful in strengthening hair, reducing breakage, and making strands feel softer and smoother. Coconut oil also has antimicrobial properties, which can support a healthier scalp by keeping dandruff and irritation at bay. When used regularly, it can give your hair a shinier, more conditioned look, especially if your hair tends to be dry or damaged.

However, despite its many benefits, coconut oil is not a proven solution for hair regrowth. It doesn’t stimulate hair follicles or alter the hormonal or nutritional imbalances that often lead to thinning or excessive shedding. So while it can help your existing hair stay strong and healthy, and may even minimize breakage, there is no proof that it can encourage new hair to grow. However, relying on it as a conditioner or mask is a great idea.

2. Olive Oil

Olive oil has long been a staple in both kitchens and beauty routines, praised for its moisturizing and antioxidant-rich properties (Jennifer Lopez is just one example of a celeb who is a big fan of olive oil). When applied to the hair, it helps smooth the cuticle, reduce frizz, and add a healthy shine. It's especially great for dry, coarse, or chemically treated hair, as it can help restore softness and manageability. Olive oil also has anti-inflammatory compounds that may soothe an irritated scalp, making it a comforting option for those with dryness or itchiness.

That said, olive oil, like coconut oil, isn’t a magic solution for regrowing hair. While it can create a healthier environment on the scalp and help protect the hair you already have, it doesn't directly stimulate hair follicles or encourage new growth.

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Beauty, hair growth, useless hair oils, worst hair oils

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