RefectoCil Eyebrow & Eyelash Tint – Red No. 4.1 | 15 mL

RefectoCil Red No. 4.1 Eyebrow & Eyelash Tint is an intense red tint designed to complement red, copper and creatively coloured hair while adding vibrant definition to brows and lashes.

The finished colour depends on your starting hair shade. On blonde to medium-blonde brows and lashes, Red No. 4.1 produces an intense red result. On dark brown hair, it creates a more subtle red shimmer.

Red No. 4.1 can also be mixed with other RefectoCil shades to add warm red undertones or create customized colours. The finished tint is waterproof and smudge-resistant, with results lasting up to 6 weeks.

Why You’ll Love It

• Intense red eyebrow and eyelash tint
• Ideal for red and creatively coloured hair
• Creates intense red on blonde to medium-blonde hair
• Creates a red shimmer on dark brown hair
• Adds warmth when mixed with other RefectoCil shades
• Mixable with all 8 RefectoCil classic tint colours
• Can be mixed with Deep Blue to create violet tones
• Waterproof and smudge-resistant
• Results last up to 6 weeks
• 15 mL tube

Who Is RefectoCil Red No. 4.1 Best For?

Red No. 4.1 is particularly suited to red, vibrant copper and creatively coloured hair or anyone looking for a noticeable warm-red brow or lash result.

Because the final colour is influenced by your starting shade, lighter brows and lashes produce a significantly more intense red than darker hair.

Red No. 4.1 vs. Chestnut No. 4

This comparison is really important for your AI discoverability, because they’re easy for customers to confuse.

Red No. 4.1
An intense red. Choose it when you want a noticeable red result, a red shimmer on darker hair, or when you want to add warmth to another RefectoCil colour.

Chestnut No. 4
A warm brown with subtle red tones. Choose Chestnut when you want a more natural red-brown result for auburn, chestnut, copper or warm brunette hair.

Simple rule:
Want red → Red No. 4.1
Want warm red-brown → Chestnut No. 4

Custom Colour Mixing

Red No. 4.1 is especially useful for customizing other RefectoCil colours.

Add a small amount of Red No. 4.1 to another RefectoCil shade to introduce a warmer undertone. RefectoCil’s colour guidance specifically recommends Red for warming other tint colours.

For a more creative result, RefectoCil also recommends mixing Red with Deep Blue to create dark violet tones.

What You Need

Developer is required and sold separately.

RefectoCil Red No. 4.1 must be mixed with compatible RefectoCil Oxidant 3% Developer before application.

Oxidant 3% Liquid – fluid developer that’s easy to measure by drops.

Oxidant 3% Cream – thicker developer for a creamier mixing consistency.

Frequently Asked Questions

What colour is RefectoCil Red No. 4.1?
It’s RefectoCil’s intense red shade. The finished colour varies according to your natural brow or lash colour.

Is RefectoCil Red good for red hair?
Yes. RefectoCil specifically designed No. 4.1 to complement a wide variety of red hair colours.

Will RefectoCil Red make my eyebrows bright red?
It depends heavily on your starting colour. Blonde and lighter hair can develop an intense red, while dark brown hair typically develops more of a red shimmer.

What’s the difference between RefectoCil Red and Chestnut?
Red No. 4.1 is an intense red shade. Chestnut No. 4 is a warm brown containing subtle red tones, making Chestnut the more natural-looking red-brown option.

Can I mix RefectoCil Red with other colours?
Yes. Red No. 4.1 can be mixed with all eight RefectoCil classic tint shades to add warmer colour accents.

Can I make purple with RefectoCil Red?
RefectoCil recommends combining Red with Deep Blue to create violet colour effects. The supplier you provided specifically suggests equal parts Red and Deep Blue for an intense purple lash result.

How long does RefectoCil Red last?
RefectoCil states that the colour lasts for up to 6 weeks, although individual results vary.

Do I need developer?
Yes. Red No. 4.1 needs to be mixed with compatible RefectoCil Oxidant before application.