PPD is the abbreviation for paraphenylenediamine. It is an aromatic amine compound that is commonly used in hair dyes due to its effectiveness in delivering and depositing color, especially darker color.
Have you ever considered how your hair dye works? Many hair dyes use a system of ammonia (or ethanolamines in the case of some ammonia-free products), hydrogen peroxide, and p-phenylenediamine to achieve a permanent color. The ammonia separates layers of the hair’s proteins, allowing the dye to reach the hair shaft. Following that, hydrogen peroxide bleaches the hair and aids in the trapping of p-phenylenediamine (PPD), one of the primary coloring agents, in the hair. All of this complicated chemistry results in the color you’re after.
Is PPD dangerous?
PPD has been linked to minor skin irritations as well as more severe allergic contact dermatitis. People who have eczema or other skin conditions may find PPD irritating. Some people are allergic to PPD, and if they are exposed to it, they can have severe reactions.
Some people can develop a reaction to PPD free aqua hair color after repeated exposure, even after years of colouring without a reaction. Anyone who intends to colour their hair should follow the instructions and perform a sensitivity patch test before colouring.
Alternatives to PPD
Scientists have developed alternative ingredients that deposit colour effectively without posing the same level of risk as PPD. Even if you do not have a PPD allergy, the latest medical advice is to limit your exposure to PPD due to its negative health effects.
Color without PPD is healthier: Hair Dye
At The Shade, we’ve developed a line of PPD-free at-home colour with salon-quality colour performance. We care about your health and well-being, and we also want to make your life easier, so we bring your colour to you when you need it.
Our PPD-free colour uses effective alternatives to give you salon-quality, healthier colour that you can feel good about.
On hair colour labels, look for and avoid p-phenylenediamine. Para-phenylenediamine, 4-aminoaniline, p-diaminobenzene, 1,4-benzenediamine, and 1,4-phenyl diamine are other names for it.
If you have your hair coloured professionally, request a list of the ingredients from your hairdresser. If the product contains PPD, inquire whether there are any healthier alternatives.
Bring your own colour to the salon if you like the look of professional colour but want to avoid the toxic ingredients found in most conventional dyes. You’ll get professional precision without the toxic exposure this way.
Remember that, in addition to PPD, hair dyes can contain other toxic substances. Also, double-check the ingredients of products labelled “natural” or “organic.” PPD and other toxic ingredients are still present in some of them.
If you aren’t ready to switch to a MADE SAFE product, use nitrile gloves, work in a well-ventilated area, and carefully follow the directions when applying conventional dye.
Because you handle hair dye frequently as a hairdresser, you are more likely to be exposed to PPD and other toxic ingredients than the general public. Use proper gloves and ventilation to protect yourself during colour sessions. Learn about the ingredients in the products you use and consider making healthier substitutions where possible. Check out this resource from indus valley for more information on how to protect yourself in the salon.
Preparing to Dye Your Hair
Three to four days before dying your hair, wash it. Your hair should be clean but not excessively clean. Washing it three to four days before the dyeing process ensures that your hair is free of dirt and buildup while also producing enough oils to protect it during the process.
Three to four days before dying your hair, avoid using too many hair products. This is evident in mousse, gel, and cream.
The day before you plan to dye your hair, condition it. You can use a leave-in conditioner cream or spray to condition your hair. Allow your hair to dry naturally or use a cool-setting hair dryer to hasten the process. After your hair has dried, you can dye it. The conditioner will nourish your hair throughout the process.
Bleach and tone your hair if you want a bright, pastel, or blonde colour. Make four equal sections in your dry hair. Apply the bleach to 12 inch (1.3 cm) partings within those sections, beginning at the ends, to ensure that each strand is saturated. Allow it to sit for the time specified on the package, but check your hair every 5 to 10 minutes in case it develops more quickly. Rinse off the bleach, then apply shampoo. Follow the directions on the bottle after applying purple hair toner.
Lighten your hair only three levels at a time. If you want to go lighter, schedule multiple sessions with a trained stylist. You can see how many levels you’ve completed.
Buy a boxed dye made specifically for natural hair. Natural hair will be labelled on the box. This dye differs from other boxed dyes in that it is much gentler on the skin. It is also meant to be used on darker, porous hair.
If you have long hair, buy two or three boxes of hair dye just in case. If your hair is short, one box of hair dye should suffice.
Perform a strand test before dying your entire head of hair. Make your dye according to the package directions, then apply it to a thin strand of hair behind your ear. Keep an eye on the strand and wait the time specified on the package. After rinsing away the dye, take note of the following:
If the strand did not dye well, your hair is not porous. Do two dye sessions to avoid over-processing your hair.
Your hair is very porous if you dyed the strand faster than recommended. You should accelerate the processing.
If the strand received the correct colour after the specified time, your hair has medium porosity and you are ready to go!
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