Upon consideration of the expressed concerns about safety in various cosmetic formulations, skin irritation is frequently considered one of the most serious complaints. Being that the skin is in a constant state of exposure to various external and internal challenges, thus, developing and proving cosmetic products to guarantee their safety and non-irritant qualities is extremely important. Skin irritation occurs as the result of a product producing some undesirable effects on the skin, with redness, swelling, itching, or burning sensations being the salient common presentations. The causes of irritation range from irritating chemicals, fragrances, preservatives, or anything else used in the formula Some individuals might complain of related skin irritations with cosmetic applications; this is primarily so for those with sensitive skin.