10 Best Shampoo Oily Hairs 2026 in the United States

Nizoral Anti-Dandruff Shampoo with 1% Ketoconazole is a strong choice if you're dealing with dandruff, especially moderate to severe cases. Its main ingredient, ketoconazole, is clinically proven to fight the fungus that causes dandruff, going beyond just soothing symptoms. This makes it very effective compared to many other dandruff shampoos. It has a fresh scent and is gentle enough to use on color-treated or chemically processed hair, which is a plus for maintaining hair health.

It is meant to be used twice a week, which aligns well with a treatment-focused shampoo rather than daily cleansing. While it helps control dandruff, it may not be the best choice if you want a shampoo specifically designed to control oil or provide clarifying effects every day.

For oily hair with dandruff, it works well as a targeted treatment but should be complemented with a gentle daily shampoo to manage oiliness.

Nizoral Anti-Dandruff Shampoo with 1% Ketoconazole is primarily designed to fight dandruff by targeting the fungus that causes it. Its active ingredient, Ketoconazole, is clinically proven to reduce flaking, itching, and scaling, making it a strong choice for those struggling with persistent dandruff, even severe cases. The shampoo is suitable for all hair types and has a refreshing peppermint and tea tree scent, adding a cooling sensation which many users find pleasant.

While Nizoral is not specifically marketed for oily hair, its antifungal properties can indirectly benefit oily scalps by controlling the scalp fungus that often worsens oiliness and flaking. Its clarifying ability is implied through dandruff control but not highlighted as a deep clarifier, so it may not fully replace shampoos aimed directly at reducing excess oil buildup.

Nizoral is often recommended for use a few times a week rather than daily because of its potent active ingredient, fitting well for those needing targeted dandruff treatment rather than everyday oil control. If dandruff and scalp fungus are a concern along with oiliness, Nizoral offers a strong, clinically backed option that many have found effective.

The OUAI Detox Shampoo is designed especially for people with oily hair who need a deep clean to remove buildup from dirt, oil, and hair products. It stands out because it’s sulfate-free, which means it cleans your hair without harsh chemicals that can dry it out. The shampoo contains apple cider vinegar, known for its natural ability to gently exfoliate the scalp and balance pH, helping to reduce flakes and refresh hair.

It also has chelating agents that target minerals and chlorine from hard water, which can dull color and damage hair over time. Hydrolyzed keratin is included to help smooth and strengthen hair strands after cleansing. This shampoo is best used once or twice a week since it’s a clarifying product meant for occasional detox rather than daily washing.

Many users like that it leaves hair feeling clean, light, and more voluminous without stripping moisture. However, because it is a strong clarifying formula, it may not be suitable for very sensitive scalps or those who wash their hair daily. It also doesn’t include parabens or sulfates, making it a better choice for people avoiding these ingredients. The scent is described as pleasant but not overpowering. If you struggle with oily hair and product buildup, this shampoo provides a gentle yet effective way to refresh your scalp and hair, though it’s best paired with a good conditioner for softness after detoxing.