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Q&A Questions and Answers
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Q&A on Hair Coloring : 79 results
Quality & Storage
- I wanted to use two hair dyeing products at the same time so I mixed the two together, but the mixture is the wrong color. Why is that?
- Can I store the residual mix of leftover hair dyeing product?
- Part of the coloring cream has turned brown. Is it still safe to use?
Containers & Labeling
- What should I do if the contents leak when I clean and reassemble the nozzle cover after I use LUCIDO Hair Color One Push Type?
- The contents of my LUCIDO Hair Color One Push Type only came out on one side of the canister and didn't dye my hair.
- The cover of my LUCIDO Hair Color One Push Type canister is stuck. How can I remove it to wash it after use?
Safety
- Can I dye my hair immediately after bleaching?
- What is the patch test?
- If I mix two different hair dyeing products, will I get a color roughly halfway between the two?
- If I get an allergic reaction from a hair dyeing product or bleach containing persulfates, can I never use such products again, even if they are made by another company?
- Do hair dyeing products cause allergic reactions?
- What should I do if I get an allergic reaction or rash from a hair dyeing product?
- Do hair dyeing products and bleaches (containing persulfates) cause rashes?
- What should I do if I have a skin reaction as a result of a patch test?
- Do I have to do a patch test every time, even if I’ve used the same hair dyeing product before?
- Do I really need to do a patch test?
- How should I perform a patch test?
- Why can’t I dye my hair while menstruating?
- Can I dye my hair while breastfeeding?
- How soon after giving birth can I dye my hair?
- Why can’t I dye my hair while I’m pregnant?
- Can I dye my hair while taking a bath?
- When I dye my hair, can I dye my facial hair or eyebrows as well?
- Part of the coloring cream has turned brown. Is it still safe to use?
Product Selection
- Can salt-and-pepper hair be colored completely blonde or gray with a bleach such as GATSBY EX Hi-Bleach?
- Can I use GATSBY Natural Bleach & Color Aqua Silver to dye salt-and-pepper hair so it’s all gray?
- Apart from hair dyeing products, what other items are there for dyeing hair?
- Are men’s hair dyeing products different from women’s?
- Can color remake products be used instead of dye for gray hair? What is the difference between color remake products and dye for gray hair?
- Can I dye gray hair using a hair dyeing product other than one specifically for gray hair?
How to Use
- Can I dye my hair immediately after bleaching?
- When dyeing my hair, what do I need to prevent clothes and household items from getting stained?
- Do you have any videos on how to use hair dyeing products?
- What should I do if the contents leak when I clean and reassemble the nozzle cover after I use LUCIDO Hair Color One Push Type?
- The contents of my LUCIDO Hair Color One Push Type only came out on one side of the canister and didn't dye my hair.
- If I mix two different hair dyeing products, will I get a color roughly halfway between the two?
- What happens if I leave dye in my hair for longer than the instructions indicate?
- If my hair is too light after dyeing, can I dye it back to a darker color?
- If I’ve dyed my hair darker, can I dye it back to a lighter color again?
- How long should I leave it before I bleach my hair or dye it again?
- My hair is black. If I want to dye it a lighter color, such as GATSBY Natural Bleach & Color Aqua Silver, do I need to bleach it first?
- What can I do to make sure the color of my dyed hair lasts as long as possible?
- Do hair dyeing products work better on some types of hair than others?
- [For people with black hair] What is the best dyeing technique to ensure my hair is colored beautifully?
- I wanted to use two hair dyeing products at the same time so I mixed the two together, but the mixture is the wrong color. Why is that?
- Is it okay to dye my hair with grooming product in it, or when it is dirty?
- Is it okay to use shampoo, conditioner, or treatments on the same day as I use a hair dyeing product?
- Should I perm my hair before dyeing, or dye before perming?
- How should I perform a patch test?
- Can I dye my hair while taking a bath?
- When I dye my hair, can I dye my facial hair or eyebrows as well?
- Can I store the residual mix of leftover hair dyeing product?
Effects
- How long does LUCIDO-L Inner Color Treatment last?
- Can I use LUCIDO-L Inner Color Treatment even if I have gray hair?
- Can salt-and-pepper hair be colored completely blonde or gray with a bleach such as GATSBY EX Hi-Bleach?
- It seems that the color of the contents of LUCIDO Speedy Color Rinse Natural Black has changed to a brownish color.
- Can I use GATSBY Natural Bleach & Color Aqua Silver to dye salt-and-pepper hair so it’s all gray?
- What happens if I leave dye in my hair for longer than the instructions indicate?
- If my hair is too light after dyeing, can I dye it back to a darker color?
- If I’ve dyed my hair darker, can I dye it back to a lighter color again?
- My hair is black. If I want to dye it a lighter color, such as GATSBY Natural Bleach & Color Aqua Silver, do I need to bleach it first?
- What can I do to make sure the color of my dyed hair lasts as long as possible?
- Do hair dyeing products work better on some types of hair than others?
- [For people with black hair] What is the best dyeing technique to ensure my hair is colored beautifully?
- Will hair grooming products cause the dyed color of my hair to fade quicker than normal?
- Why didn’t the hair dyeing product result in the color I wanted?
- Can color remake products be used instead of dye for gray hair? What is the difference between color remake products and dye for gray hair?
- Can I dye gray hair using a hair dyeing product other than one specifically for gray hair?
Troubleshooting
- What should I do if I get hair dyeing product on the floor or walls?
- When dyeing my hair, what do I need to prevent clothes and household items from getting stained?
- What should I do if the contents leak when I clean and reassemble the nozzle cover after I use LUCIDO Hair Color One Push Type?
- The contents of my LUCIDO Hair Color One Push Type only came out on one side of the canister and didn't dye my hair.
- The cover of my LUCIDO Hair Color One Push Type canister is stuck. How can I remove it to wash it after use?
- If I get an allergic reaction from a hair dyeing product or bleach containing persulfates, can I never use such products again, even if they are made by another company?
- What should I do if I get an allergic reaction or rash from a hair dyeing product?
- What should I do if I have a skin reaction as a result of a patch test?
- What should I do if I get hair dyeing product on my clothes?
- What should I do if I get hair dyeing product on my hands, face, or neck?
- What should I do if I get hair dyeing product on my vanity unit or other parts of my bathroom?
Related Links
More information on hair coloring is available here.
JAPAN HAIR COLOR INDUSTRY ASSOCIATION (Japanese Only)
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