Ammonia-free coloring: a gentle way to refresh your hair color with INOA and Dia Color

Modern hair coloring has long ceased to be just a way to change your hair color – now it’s an opportunity to gently adjust the shade, refresh your look, or add shine. One of the most delicate options is ammonia-free coloring.

These formulas create a natural, balanced shade while maintaining the softness and shine of the hair.

Here’s who can benefit from ammonia-free coloring and what its advantages are.

How is ammonia-free coloring different?

In classic permanent hair dyes, ammonia is used to open the cuticle and deeply embed the pigment. This approach produces a vivid, long-lasting color, but depending on the hair type, it can contribute to increased brittleness.

Ammonia-free dyes work differently: the pigment settles in the upper layers, which helps preserve the hair’s softness and elasticity after the procedure.

Two ammonia-free formulas from L’Oréal Professionnel

For these types of coloring, professionals use products that allow for gentle color renewal. One such formula is INOA¹. This is an ammonia-free, oil-based hair dye with Oil Delivery System¹ technology: the oil helps distribute the pigment evenly through the hair. INOA¹ produces a long-lasting shade while preserving elasticity, softness, and natural shine after the procedure. It is suitable for full coloring, highlights, or refreshing color along the length.

(INOA hair colors)

Another option is Dia Color¹. This is a demi-permanent¹ hair color containing up to 92%² ingredients of natural origin. It is used to correct color or add radiance to the hair. The dye helps increase hair shine by +60%³ and enhance shade vibrancy.

(Dia Color hair colors)

Who should consider ammonia-free dyes?

• Those coloring their hair for the first time and want to keep a natural look.
• Owners of dry, porous, or weakened hair.
• Those wishing to slightly refresh their shade or add shine without radical changes.
  

¹INOA, Oil Delivery System, Dia Color, demi-permanent

²Maximum percentage of natural-origin ingredients among all shades in the range, with a minimum content of 84%

³Instrumental test

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