However, proceed with EXTREME CAUTION.
Here's why:
* Cross-Reactivity: While not common, there's a *possibility* of cross-reactivity between different chemicals. This means your body might react to a component in the hair glue even if it's not PPD.
* Sensitivity: Having had an allergic reaction in the past means your skin might be more sensitive in general.
* Ingredient Overlap: There's a chance, albeit small, that some dyes and glues share some ingredients.
Recommendation: Patch Test is Crucial
Before even considering using hair glue, you MUST do a patch test.
1. Choose a small, inconspicuous area: Behind your ear or on your inner arm are good choices.
2. Apply a very small amount of the hair glue: Follow the product's instructions for application (if any).
3. Wait 48-72 hours: Observe the area for any signs of a reaction. This includes:
* Redness
* Itching
* Swelling
* Burning
* Blisters
4. If you experience ANY reaction: Do not use the hair glue.
Important Considerations:
* Consult a Doctor or Allergist: It's always best to consult a medical professional for personalized advice, especially after an allergic reaction. They can help you identify the specific allergen and advise you on what to avoid.
* Read the Ingredients: Carefully examine the ingredient list of the hair glue. If you recognize any ingredients that are chemically similar to PPD or that you suspect might be problematic, avoid the product.
* Choose Hypoallergenic Products: Look for hair glues that are specifically labeled as "hypoallergenic" and "dermatologist-tested." However, remember that even these products can cause reactions in sensitive individuals.
* Be Aware of Latex: Some hair glues may contain latex, which is a common allergen. If you have a latex allergy, make sure the product is latex-free.
In summary: While it's not a certainty you'll react to hair glue after reacting to hair dye, the risk is there. A thorough patch test and, ideally, a consultation with a doctor are essential before using hair glue.