Best Vegan Demi-Permanent Hair Dye of 2025

Smart Beauty Silver Hair Dye offers a stunning transformation for bleached hair, providing a demi-permanent metallic silver colour that covers grey effectively. With its innovative plex hair care formula, it protects and restores your hair's structure, ensuring it looks healthy and vibrant. The product is easy to apply, allowing you to mix and use the dye with a mess-free experience. Plus, it's vegan and cruelty-free, making it a responsible choice for those who care about ethical beauty.

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.

The Garnier Olia Hair Dye offers rich, multi-dimensional colour with up to 100% grey coverage, ensuring you achieve a warm and radiant look. Its ammonia-free formula, powered by natural flower oils, helps protect your hair from dryness while making it visibly shinier. You can easily apply the velvety, non-drip formula in sections from roots to ends, allowing it to develop for 45 minutes for full colour impact. Each box includes everything you need, including developer cream, an after-colour conditioner, gloves, and clear instructions.

MANIC PANIC Venus Envy Hair Dye offers a striking dark neutral green shade that can enhance both light and dark hair. For the best results, you can lighten your hair to a light level eight blonde before applying the dye. This semi-permanent formula gradually fades over four to six weeks, making it a low-commitment option for vibrant colour. Additionally, it features a cruelty-free and vegan formula, ensuring that you can colour your hair without compromising your values.

MANIC PANIC Deep Purple Dye offers a rich dark purple hue that can enhance your hair's natural colour, especially if you have unbleached hair. The blendable formula allows you to mix shades, enabling you to create custom colours tailored to your style. As a semi-permanent dye, it fades gradually over 4 to 6 weeks, providing a temporary change without a long-term commitment. Furthermore, this vegan and cruelty-free product is free from harmful chemicals, making it a safe choice for your hair and the environment.

The Revolution Brunette Hair Tones allow you to experiment with your hair colour without commitment. With semi-permanent colour available in six shades, you can easily add a hint of colour that lasts between 2 to 15 washes. These tones are specifically formulated for brunettes, ensuring vibrant results, especially on light brown hair. Applying the product is simple; just leave it on clean, dry hair for up to 30 minutes before rinsing. Enjoy a new look with glossy locks that reflect your personality.

The Metallic Indigo Hair Dye offers a unique formula that transforms your hair into a stunning dark denim blue shade, perfect for light, grey, or pre-lightened hair. This dye enhances your existing colour without lightening it, providing a chic metallic tone ideal for ombre or balayage styles. It is safe for bleached or previously coloured hair, ensuring long-lasting results with a caring formula. Enriched with shea butter and argan oil, it nourishes your hair while adding a beautiful shine for a radiant finish.