Temporary, Semi-Permanent & Permanent Hair Color

Hair color products can be confusing because many of them sound similar. Temporary hair color, semi-permanent hair color, and permanent hair color all work differently, last for different amounts of time, and are used for different goals.

Choosing the right one depends on what you want: a short-term colour change, softer colour refresh, or longer-lasting grey root coverage.

What Is Temporary Hair Color?

Temporary hair color sits on the outside of the hair. It does not deeply change the hair structure and usually washes out quickly, often after one shampoo.

Temporary colour can come as:

  • Sprays
  • Powders
  • Root concealers
  • Hair makeup
  • Colour gels

Temporary hair color is best if you want a quick result for one day, a special event, or fast grey root coverage before washing your hair.

However, temporary colour is not designed to last. Some products may transfer onto hands, pillows, or clothing.

What Is Semi-Permanent Hair Color?

Semi-permanent hair color usually deposits colour onto the hair surface without using a developer. It gradually fades with washing and does not usually provide the same long-lasting result as permanent colour. Some brands describe semi-permanent colour as lasting several washes, depending on the formula, hair type, and aftercare.

Semi-permanent hair color is often used to:

Refresh faded colour
Add shine
Try a new shade
Blend some grey hair

It is usually better for people who want a lower-commitment colour change, but it may not give strong or long-lasting grey root coverage.

What Is Permanent Hair Color?

Permanent hair color is designed to last longer because it changes the colour inside the hair shaft. It is commonly used for grey coverage, root regrowth, and long-term colour maintenance.

Permanent hair color usually requires mixing colour with developer. Because it uses stronger chemistry than temporary or semi-permanent colour, it is important to follow the product instructions and do a patch test before use. The FDA recommends doing a skin patch test every time before using hair dye.

Permanent hair color is best for:

  • 100% grey coverage
  • Root regrowth
  • Longer-lasting colour
  • Matching your regular hair colour

Which Hair Color Is Best for Grey Roots?

For grey roots, the best choice depends on how long you want the result to last.

Temporary root concealers can cover grey roots quickly, but they usually wash out. Semi-permanent colour may help blend colour, but it is not always strong enough for full grey coverage. Permanent hair color is usually the better option when you want longer-lasting grey root coverage.

The key is not only the type of colour - it is also where you apply it.

Grey roots usually appear first around the hairline, temples, and part line. Instead of colouring all the roots or the whole head too often, a targeted application can help cover only the grey roots that show.

A Targeted Permanent Root Touch-Up Option

Caliin Roots Touch & Cover is a root touch-up permanent hair colour designed for small, targeted applications between full-head colourings.

It gives you:

  • 24 applications
  • 100% grey coverage
  • Permanent root colour
  • Targeted application only where needed
  • A reusable sponge wand for precise application

This helps you delay the need to dye all your hair by colouring only the grey roots that show.

Final Answer: Which One Is Best?

Choose temporary hair color if you need a quick one-day fix.

Choose semi-permanent hair color if you want a softer colour refresh.

Choose permanent hair color if you want longer-lasting grey root coverage.

For grey roots, especially when they show every 14 days, a targeted permanent root touch-up can be the most practical option because it covers only the areas that need colour while helping reduce unnecessary chemical exposure.


How to Cover Grey Roots Without Colouring Your Entire Hair
Temporary vs Permanent Root Touch-Up

Back to Gray Root Touch-Up Permanent Hair Color & Hair Color Tips