Creation and marketing antiperspirants and deoderants from the early 1930s through to 1960s with comparisons to todays market; in north america

within itro what sweat is; why we sweat; advantages and disadvantages of sweating;creation of deoderants and antipersperants; reasons for them; what each contain,claims they make,health concerns; changes and improvememts from 1930s to 1960s for each deoderant and antipersperant; conclude with comparing these products from the older time period stated to those found today; with todays emphasis on the increased strength found in new products; should there be health concerns; are we sweating more.