Different Types Of Hair Dye
Listed below are the different types of hair dye you should be aware of:
Temporary Hair Dye Free of harsh chemicals and provides a pop of color that washes out after shampooing.
Semi-Permanent Hair Dye Gentle on the hair and ammonia-free. It’s perfect for adding shine, covering gray hair, or enhancing your natural color.
Demi-Permanent Hair Dye Perfect for refreshing an existing color or easily blending grays for a longer color life.
Permanent Hair Dye It is used for a lasting and significant color change. It usually contains ammonia and comes with the commitment of regular touch-ups.
Bleach Perfect for those who want light-toned tresses. However, it can be damaging and hence, requires professional handling.
Hair dyes come with an expiration date, and the age of the dye can impact the vibrancy of your hair color. Scroll down to learn why hair dye expires.
Why Does Hair Dye Expire?
Once opened, a hair dye might go bad or expire due to several reasons. Some of the most common ones are listed below:
Sunlight: The chemicals in the hair dye may warm up if the dye is exposed to direct sunlight. This may cause the dye to get separated. Air: Hair dye containing peroxide can get oxidized upon direct exposure to air. Microorganisms: Hair dye may also expire due to bacteria and other microorganisms. These microorganisms can interact with the chemicals in the dye and cause chemical reactions.
Using old and expired dye on your hair may change your hair texture or cause hair fall. Everyone knows about the side effects of hair dyeing, however, using an expired hair coloring product may make things worse. Let us take a deeper look into what happens if you use an expired hair dye.
What Will Happen If You Use Expired Hair Dye?
1. Your Hair May Turn Green
Some people claim that using expired or old hair dye may turn your hair green. The change in color could be more pronounced in individuals with light blonde, gray, or white hair.
2. Your Hair May Turn Into An Undesirable Color
Using expired hair dye may also turn your hair into an undesirable color.
3. You May Experience Allergic Reactions
Changes in hair color are a direct result of chemical changes. If the chemicals are imbalanced because the expiry date has passed, these changes can cause allergic reactions.
4. Your Hair May Get Damaged
Using expired hair dye may cause your hair to break off or become frizzy. One may notice the damage only after the first wash. An expired hair dye may also cause chemical burns on the scalp. Aka Aislinn, a Youtuber, applied expired hair dye on her hair and shared the result. She said that the expired hair dye did not affect her hair or cause any damage. She adds, “We are trying a hair dye that I have had set aside for years, so it is now expired but we are going to use it anyway (i).” Now we know what can happen if you use an expired hair dye. But how do you know if a hair dye has expired?
How To Know If The Dye Is Expired?
1. Damaged Package
The hair dye could be expired if its package appears damaged. Wet spots on the package could signify damage due to water or chemical leakage.
2. Separation
The dye might have expired even if you don’t find any leak in the packaging. If your dye has gone bad or expired, you will see big chunks of solids floating around in a milky solution.
3. Bad Odor
Hair dye that smells foul or has a metallic smell could have most likely expired. How long do hair dyes stay good? It may depend on the hair dye ingredients and brand. While some dyes don’t have an expiration date, many are usually good for 2-3 years if not opened. Can I use leftover hair dye? No. If you have mixed your hair dye with a developer, the resulting solution oxidizes over time and loses its efficacy. You might end up with a different, odd hair color. Do all hair products expire? Yes. Every hair product from shampoos to dyes to serums is formulated with specific chemical or organic ingredients that may degrade or oxidize over time. As it has a limited shelf life, it should be used within the time frame specified on its label.. How long can I use a hair product after the expiration date? It is not recommended to use a hair product that has expired, as it may lead to adverse effects, scalp irritation, or loss of its intended effectiveness. It may also be contaminated with bacteria or other debris which might be harmful to your hair and overall health.
Illustration: Does Hair Dye Expire? How To Know If The Dye Is Expired
Curious about the shelf life of your hair products? Check out this enlightening video to uncover the safety of using expired hair products and get practical tips to ensure your hair care remains effective and healthy.
