Best Ammonia-Free Semi-Permanent Hair Dye of 2025

The L’Oréal Paris Darkest Brown Dye offers a new formula with 10% Glycolic Gloss Complex, ensuring your hair remains glossy and intensely conditioned. You can enjoy vibrant colour without the commitment, as it lasts for up to 28 shampoos. With this dye, your hair can become up to three times glossier and four times silkier, resulting in visibly healthier locks. The ammonia-free formulation ensures a gentle application, giving you vibrant results without harsh chemicals.

The Clairol Semi-Permanent Hair Dye offers a gentle, ammonia-free way to refresh your locks. Perfect for covering greys and neutralising brassy tones, it enhances your natural colour while adding shine. With 80% naturally derived ingredients, including coconut oil and aloe vera, your hair will feel soft and healthy. This hair dye is low commitment, fading gradually over up to 28 washes, so you can enjoy beautiful colour without harsh root lines.

The L’Oréal Paris Hair Dye offers a convenient ammonia-free formula, making it perfect for those new to at-home hair colouring. You can achieve beautiful, glossy colour in just 20 minutes, lasting for up to 28 shampoos. It not only enhances your natural look but also conditions your hair, leaving it soft and shiny. Plus, it effectively covers the first signs of greys, ensuring a fresh appearance every time you use it.

The Colour Freedom Gloss Pro offers a semi-permanent hair colour solution enriched with PurePlex, ensuring a glossy and natural finish. This product prioritises your well-being and the environment, as it is free from harmful ingredients. You can easily customise your look, whether you desire a full head of vibrant colour or a trendy ombre effect. Additionally, its advanced PurePlex Bond Reconstructing Technology strengthens and repairs all hair types, leaving your hair nourished and revitalised.

Knight & Wilson Colour-Freedom is a gentle semi-permanent hair dye that allows you to break free from harsh chemicals. Its effective formula helps the vibrant crimson red penetrate deep into your hair, fading beautifully over 6-10 washes. With a large 150ml tube, you can enjoy multiple applications, ensuring your colour stays fresh. The non-drip formula makes application simple and even, while the option to mix with Colour-Freedom Pasteliser lets you create your desired shade, from bold to pastel.

Clairol No Ammonia Hair Dye offers a convenient solution for those seeking semi-permanent colour. With results lasting up to 24 washes, you can enjoy vibrant, natural-looking colour without the commitment. It effectively blends away greys in just 15 minutes, making it perfect for a quick touch-up. The absence of ammonia ensures that your hair remains healthy and shiny, providing a gentle yet effective colouring experience. This product is ideal for users who value both quality and convenience in their hair care routine.

Clairol Nice'n Easy Hair Dye offers a natural and healthy-looking colour with a beautiful shine. This demi-permanent, no ammonia hair colourant works wonders by enriching your own hair colour while effectively blending away greys in just 15 minutes. You’ll appreciate the convenience of a product that lasts up to 24 shampoos, allowing you to enjoy vibrant colour without frequent touch-ups. It’s a quick and easy solution for those looking to maintain a fresh and youthful appearance.

The Clairol Dark Brown Dye offers excellent grey coverage that lasts up to 28 shampoos, ensuring your colour remains vibrant for longer. With zero ammonia in every shade, you can enjoy a gentler dyeing experience that is kinder to your hair. The conditioning formula enhances your natural tone, giving it a beautiful gloss that can be achieved in just 20 minutes. This product is perfect for those looking for a quick and effective way to refresh their hair colour while maintaining its health.

The L'Oréal Paris Casting Crème is an ammonia-free, semi-permanent hair dye perfect for first-time at-home colourists. In just 20 minutes, you can achieve a refreshing and glossy colour that lasts up to 28 shampoos. This product not only covers the first signs of greys but also leaves your hair soft, shiny, and well-conditioned thanks to its honey-infused formula. With a non-drip application, you can easily apply the colour without the mess.

The MQFORU Black Hair Dye offers a convenient 2-in-1 solution, allowing you to clean and dye your hair in just 10 minutes. This ammonia-free formula is gentle on your scalp and enriched with botanical ingredients, promoting not only a vibrant black colour but also healthier hair. You can achieve up to 100% grey coverage, making it suitable for all hair types. Save time and money by dyeing your hair at home with minimal effort, using the included gloves and comb for easy application.