Semi-Permanent Hair Coloring

Semi-permanent and temporary hair coloring penetrates your hair’s cuticle to get access to the hair’s cortex in which your hair’s pigment is embedded. This process can impact your hair’s overall health, possibly leading to moisture loss, then dryness. This moisture loss can lead to fragile hair and a higher risk of breakage, specifically if the dyes are used frequently. Semi-permanent dyes are devised to last for around six weeks and usually fade gradually. Different than permanent dyes, they do not contain bleaching proxies, meaning they can’t lighten your preceding shade.

Semi-permanent dyes last for around six weeks and usually fade gradually. They do not contain bleaching proxies — consequently, they cannot lighten your preceding shade. Rather, they deposit color onto your hair, intermixing with your natural color and progressively washing after a while.

Pros of Semi-Permanent Colors

• Natural Color: They usually provide you with a more natural color than wash out dyes, which merely rest on top of your hair’s cuticles. This can make semi-permanent colors perfect for those looking to enhance their natural hair color without making an extreme change.
• Usability: You can utilize semi-permanent dyes directly from the applicator, without premixing them. This makes the application process faster and more organized in comparison to permanent ones.
• Temporary in Nature: Temporary dyes are going to eventually wash out if you are dissatisfied with the color. This provides you with the adaptability to experiment with different tones without committing to an extended change.

Cons of Semi-Permanent Colors

• Color Fade: Temporary dyes fade with shampooing and air exposure. Meaning the color might not stay vivid for the entire six weeks, requiring more regular touch-ups to maintain the desired shade.
• Regular Re-application: They need to be regularly re-applied, which could dry your hair out. The chemicals in the dye could clear your hair of its natural oils, resulting in dryness and possible damage after a while.
• Overlying: Because of frequent overlying, temporary dyes can result in darker ends and lighter roots, making them look unnatural. Thorough application is required to avoid this irregular color distribution.
• Grays Coverage: They don’t always provide full coverage of gray hairs. If you have a considerable amount of gray hair, semi-permanent dyes might not provide the wanted coverage, however you might need to choose a permanent dye instead.

Choosing the Right Semi-Permanent Dye

When choosing a semi-permanent dye, it’s essential to consider your hair type and condition. If your hair is already dry or damaged, look for dyes that contain conditioning agents to help mitigate further damage. Additionally, choosing a dye that closely matches your natural color can help achieve a more seamless blend as the color fades. Always perform a patch test before applying the dye to ensure you do not have any allergic reactions to the product.

Source:

1. Kingsley, A. (2022, May 9). Semi-permanent hair colouring. https://www.philipkingsley.com/. https://www.philipkingsley.com/hair-guide/chemical-hair-processing-and-colouring/temporary-semi-permanent-hair-colours.html#:~:text=March%2030%2C%202022-,Semi%2Dpermanent%20and%20temporary%20hair%20colours%20penetrate%20your%20hair’s%20cuticle,your%20hair%2C%20and%20subsequent%20dryness.

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