The most common ingredient in anti-aging cream is Alpha Lipoic Acid, another common ingredient is Salicylic Acid.
The most common would the one the main ingredient for chocolate which is Cacao beans.
corn
Water is the most commonly used ingredient in the food industry.
Shampoo typically contains water as its base ingredient, along with a mix of surfactants, conditioning agents, preservatives, and other additives to clean and condition the hair.
Ingredients are listed by amount. If the first ingredient listed on a bottle of hand lotion is water, the main ingredient is water. Likewise in food. If the first two ingredients of a preprepared sauce are water and salt, there is more water and salt than anything else in that sauce.
water
Water, and in most sugar
The most common ingredient is Deet.
Most acne medicine have one very important ingredient in common. This special ingredient is known as Thyminal, this chemical dries the acne and allows for it's removal.
Shampoos that are mixed with water to lather, are water based If you have spray in shampoo, or power shampoo, they are most likely power based, or water based
The most common ingredient in anti-dandruff shampoo is Selenium Sulphide.