No, women are not at all "made-up, surgically modified, shaved, groomed, bathed, perfumed, etc, etc." That's regressively sexist claptrap.
Women are female human beings who've reached adulthood. Just as men are male human beings who've reaced adulthood.
Humans are a sexually dimorphic species because of nature. Just as most other species of animals that reproduce sexually, and only sexually are, and all other mammals are.
Humans came in two distinct sexes and it was easy to tell the men/adult males apart from the women/adult females long before human societies came up with the sorts of body care and adornment you mention.
Make-up, fashion, cosmetic surgery, shaving, grooming, bathing, perfume, hairstyling, body paint, tattooing, piercings, etc have been and are commonl y used in many cultures to accentuate the physical differences between men/boys and women/girls. But those cultural practices are not the source of the physical differences between the sexes in our species.
Photos and footage of adults held as prisoners in the Nazi concentration camps and the Khmer Rouge killing fields show that it's easy to tell women apart from men even when the two sexes are dressed identically; they're reduced to skin and bones due to starvation; no one has has bathed in ages; they're all bald-headed due to malnutrition or coz their heads have been shaved; and no one is wearing makeup, perfume, deodorant or has been able to engage in other grooming customs meant to accentuate their sex like removal, trimming or styling of underarm, leg and pubic hair, eyebrows, nose hair and whiskers.
Today, plenty of people who work in certain kinds of settings such as hospital operating rooms, ICUs, meat processing plants, high-tech labs, industrial factories - wear identical clothing, footwear, gloves, headcoverings, face masks and eye protectors. Yet it's usually very easy for observers to tell the women apart from the men, and to do so instantly based on just a quick glance.
Men and women have different gaits and ways of moving which are obvious to others that are based on the myriad differences in our anatomy. There are thousands of natural physical differences between men and women, natural physical differences large and small. The phsycial differences between the two sexes that make it easy to tell women apart from men are not all, or even mainly, the result of cultural "gender norms" and modern methods of grooming, hygiene and body adornment like you say.