10 Best Hair Smoothing Products 2025 in the United States

The Kerastase Nutritive 8H Magic Night Hair Serum is designed to hydrate and nourish dry hair overnight. It's suitable for all hair types and aims to reduce frizz and detangle hair by morning. The serum contains plant-based proteins and niacinamide, which help retain moisture and strengthen hair. It also protects hair from pillow friction, ensuring it remains smooth and shiny without transferring onto your pillow.

The application is simple: apply one to two pumps to dry or damp hair before bed and leave it in overnight, with no need to rinse in the morning. Users are recommended to use it three nights a week for optimal results. On the downside, the product size is relatively small (3.04 Fl Oz), which might require frequent repurchasing for those with longer hair or those who use it regularly.

Additionally, while the citrus scent may be pleasant for some, it could be overpowering for others. This product is ideal for individuals experiencing dryness and frizz, looking for an easy-to-use overnight treatment to improve their hair's health and appearance.

The Moroccanoil Hydrating Styling Cream is designed for all hair types and aims to tame frizz and flyaways while providing a soft hold. Its key strengths include its ability to add definition and shine, making it suitable for those looking to achieve a polished look without a heavy or stiff feeling. The cream is also paraben-free, which is a plus for those concerned about using products with fewer chemicals.

The signature Moroccanoil scent is another highlight, adding a pleasant fragrance to your hair care routine. Additionally, it hydrates hair, which is beneficial for maintaining moisture and preventing dryness. However, it's important to note that this product may not offer strong hold, so if you require a more substantial hold for intricate hairstyles, this might not be the best choice.

Furthermore, while it conditions and prepares hair for styling, it doesn't explicitly mention heat protection, so additional heat-protectant products might be necessary if you frequently use heat styling tools. The Moroccanoil Hydrating Styling Cream is a great option for those looking for light hold, added shine, and frizz control with hydration, but it may fall short for those needing strong hold or specific heat protection.

The Living Proof Perfect Hair Day Heat Styling Spray is designed for all hair types and offers smoothness that lasts up to 48 hours. One of its strong points is heat protection up to 450°F (230°C), which helps shield hair from damage when using hot styling tools like straighteners or curling irons. Its ultra-fine mist allows for an even and light application on both damp and dry hair, making it versatile and easy to use.

The formula is free from common harsh ingredients such as formaldehyde, parabens, phthalates, silicones, and sulfates, which is a plus for those looking for a gentler hair product. The spray also has a pleasant vanilla scent that most users find appealing. However, while it protects hair from heat and extends smoothness, it does not provide strong hold or styling control, so it might need to be paired with other products if you want firmer hold or volume.

This spray is a solid choice for anyone wanting to reduce frizz, protect hair during heat styling, and maintain a smooth finish, especially if you prefer lightweight, non-sticky products.