![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjIdqm0byvGBXy5H1UsAy5d4N1D6d3lWsysCY6k0k6ee9YV3SvQ8qddPqB_VTE7FDI4mWFImrjxAJYkXsVTKQRBDqSipNp5pFO2n-vFAbTHJCypkcZl3wAv3eC__uphg0jg6A_oGq9MuBo/s1600/10-skin-irritants-1%255B1%255D.jpg)
- D&C Yellow #11
- FD&C Blue #1
- FD&C Yellow #5 (also known as tartrazine)
Fragrance
Fragrance adds to consumer appeal and may be used to cover up undesirable odors for some ingredients. Examples of fragrances are:
- Benzaldehyde
- Cologne
- Herbal Extracts
- Masking Fragrance
- Perfume
- Plant, fruit, flower, seed & nut oils
Formaldehyde Releasers
Formaldehyde releasers preserve a product against bacterial, mold and fungus contamination. Unfortunately, formaldehyde also causes irritation and allergic problems for some people. Examples of formaldehyde releasers:
- Bronopol
- Diazolidinyl Urea
- DMDM Hydantion
- Imidazolidinyl Urea
- MDM Hydantion
- Quaternium 15
Parabens
Parabens are preservatives that guard against mold, fungus, or bacteria growth. Examples of parabens are:
- Benzylparaben
- Butylparaben
- Ethylparaben
- Methylparaben
- Propylparaben