65. 0. Toddlers are 3 years of age and under. To me, even my 4 year old son is still a toddler. 4 and up is considered a boy or child. Toddlerhood is from the time they start walking (9 to 12 months, usually, until they are 4.). 1  Helpful.
Try the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents. Shampoo products comprising starch, a compound comprising boron, a compound comprising zinc, and water.
Most of the shampoo contains any of these ingredients which are known to cause shampoo allergy. These ingredients are sodium laureth sulfate, sodium lauryl, foaming agents, ammonia laureth sulfate, preservatives, essential oils such as lavender oil or chamomile oil or rose oil and fragrances etc.