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10 Best Leave In Conditioners 2025 in the UK

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Our Top Picks

#1

Winner

REDKEN One United 25 Multi-Benefits Leave-In Conditioner and Treatment Spray, Heat Protection, Detangling Spray, Nourishes and Conditions, 150 ml

Rating
9.8
Chosen by1,349
Fragrance
Consistency
Fragrance
Smells amazing and leaves hair silky smooth.
Consistency
Leaves hair lovely and smooth without a greasy look.

The REDKEN One United 25 Multi-Benefits Leave-In Conditioner and Treatment Spray is designed to be a versatile addition to your hair care routine, offering twenty-five benefits that aim to enhance the manageability and beauty of your hair. Its standout feature is its compatibility with all hair types, including chemically treated and color-treated hair, which makes it a flexible choice for a wide range of users. The product is sulfate-free, potentially making it a gentler option for those sensitive to harsher ingredients.

One of its main strengths is its ability to detangle hair and reduce breakage from brushing, which is particularly beneficial for those with unruly or frizzy hair. It also offers heat protection, which is a crucial feature for anyone who frequently uses styling tools. Additionally, the product promises to add smoothness and shine while controlling frizz and flyaways, which are common hair concerns.

In terms of consistency, it is described as a cream that doubles as a spray, which suggests it might be easy to apply without being too heavy. This could be a plus for those who prefer lightweight hair products. The REDKEN One United Leave-In Conditioner seems to be a robust product for general hair care needs, particularly if you're looking for a multi-functional solution.

Rating
9.8
Chosen by1,349
Fragrance
Consistency
Fragrance
Smells amazing and leaves hair silky smooth.
Consistency
Leaves hair lovely and smooth without a greasy look.
#2

REDKEN Leave-In Treatment, Repairs & Protects Colour-Treated Hair, Acidic Bonding Concentrate, 150 ml

Rating
9.6
Hair Type
Hair Type
Perfect for colored, fine, and dry hair, it transforms hair into soft and frizz-free strands, with a little amount going a long way.

The REDKEN Acidic Bonding Concentrate Leave-In Treatment is designed to cater to all hair types and textures, offering a versatile solution for those seeking to repair and protect their hair. It contains a concentrated formula that helps in repairing damaged hair, strengthening weakened bonds, smoothing frizz, and adding shine. The product provides significant heat protection up to 230 degrees, which is beneficial for those frequently using heat styling tools. The consistency is creamy, which makes it easy to apply and distribute throughout the hair.

One of the notable strengths of this product is its multi-functional capability: it not only conditions and moisturizes but also offers thermal protection and shine enhancement. This is particularly useful for individuals with damaged hair who need comprehensive care in one product. The leave-in nature of the treatment means that it continues to work on the hair without needing to be rinsed out, which is convenient for daily use.

The product is reasonably portable with a 150 ml size, though it might not last very long for those requiring frequent applications. This product is best suited for individuals with damaged hair looking for an all-in-one solution to repair, protect, and enhance their hair's appearance and health.

Rating
9.6
Hair Type
Hair Type
Perfect for colored, fine, and dry hair, it transforms hair into soft and frizz-free strands, with a little amount going a long way.

Buying Guide for the Best Leave In Conditioners

Leave-in conditioners are a great way to keep your hair healthy, hydrated, and manageable. They are designed to be applied to damp hair and left in without rinsing, providing ongoing benefits throughout the day. When choosing a leave-in conditioner, it's important to consider your hair type, specific needs, and the ingredients that will best address those needs. Here are some key specs to look for and how to navigate them.
Hair TypeHair type is crucial when selecting a leave-in conditioner because different products are formulated to address the unique needs of various hair textures. For example, if you have curly hair, you might need a product that provides extra moisture and helps define curls. If you have fine hair, you might want a lightweight formula that won't weigh your hair down. Understanding your hair type will help you choose a product that enhances your natural hair and addresses any specific concerns.
IngredientsThe ingredients in a leave-in conditioner can make a big difference in how effective it is for your hair. Look for products with natural oils and proteins if you need extra hydration and strength. Ingredients like argan oil, coconut oil, and keratin are known for their nourishing properties. Avoid products with sulfates, parabens, and alcohols, as these can be drying and damaging. Knowing which ingredients benefit your hair type and concerns will help you choose the right product.
Moisture LevelThe moisture level of a leave-in conditioner is important because it determines how well the product will hydrate your hair. If you have dry or damaged hair, look for a product with high moisture content to help restore and maintain hydration. For normal hair, a moderate moisture level is usually sufficient. If you have oily hair, you might prefer a lighter formula that won't add excess oil. Assessing your hair's moisture needs will guide you to the right product.
Protein ContentProtein content in leave-in conditioners helps strengthen and repair hair. If your hair is weak, brittle, or damaged from heat styling or chemical treatments, a product with higher protein content can help rebuild and fortify your hair. For healthy hair, a balanced protein level is ideal to maintain strength without causing stiffness. Understanding your hair's condition and protein needs will help you select a product that supports hair health.
FragranceFragrance is a personal preference but can also affect your overall experience with a leave-in conditioner. Some products have strong scents that can be overwhelming, while others are lightly fragranced or fragrance-free. If you have sensitivities or prefer a subtle scent, look for products that match your preference. Choosing a fragrance you enjoy will make using the product more pleasant.
ConsistencyThe consistency of a leave-in conditioner can affect how it feels and performs on your hair. Thicker formulas are often more moisturizing and suitable for dry or curly hair, while lighter, more liquid formulas are better for fine or oily hair. Consider your hair type and how you prefer the product to feel when applied to determine the best consistency for you.