In 1892 the German gynecologist Albert Döderlein described the vaginal flora, the Lactobacillus rods that later research tied to the vagina's acidic pH. It was a quiet discovery, and it should have ended a lot of confusion. The body keeps its own ecosystem, and it has been doing so the whole time the bathroom shelf has been selling us ways to help it.

KUGIG Wash is the newest name on that shelf, so here is what I can actually tell you. The brand calls it pH-balanced, with aloe and a prebiotic complex, made for sensitive skin and for women and men, and it describes a French pharmacy skincare ethos without naming a founder. The label on file lists a foaming formula with potassium cocoyl glycinate, glycerin, aloe leaf extract, lactic acid and a fermented probiotic ingredient, and it also lists fragrance, which matters if you have seen it called fragrance free elsewhere. The same label carries the standard notice that it is an unapproved homeopathic product and that the FDA has not evaluated it. I would say that plainly, because ACOG's advice is that the vagina cleans itself and the outside of the vulva needs only warm water.

So treat a wash like this as optional comfort, not medicine. The trick is to pick by how your skin reacts, and the first grid lets you compare the field. KUGIG's own Back & body acne spray is a different job under the same name, so keep it off the intimate routine. Summer's Eve Delicate Blossom and Vagisil's pH Balanced Daily Wash are the familiar drugstore names, and Good Clean Love's pH Balanced Personal Wash sits in the same lane. Love Wellness makes a Vulva Cleanser, The Honey Pot has a Sensitive Foaming Wash, and O Positiv's URO pH Balanced Probiotic Wash is the one aimed at the probiotic crowd.

The front of a bottle tells you very little, and the ingredient list tells you most of it. If the skin on your body is easily upset, the quietest wash you can find will do more for you than any specialty label, and fragrance free is the easiest filter.

Nécessaire's Body Wash Fragrance-Free and BYOMA's Sensitive Body Wash, which is made for dry, itchy skin, are where I would look first. Naturium's Calmer Ceramide Body Wash is the creamier choice for winter. Vanicream's unscented wash is the plainest thing on the list, which is a compliment. Dove's Sensitive Skin wash is easy to find, Luna Daily's Everywhere Wash is built to go wherever you do, and Soft Services' Comfort Cleanse is the ultra-soothing one that doubles as a moisturizer. Up&up has a fragrance free sensitive wash as well.

A pairing I like: a plain body wash from this grid for everything else, and plain warm water for the vulva, which is what ACOG recommends. Two steps, nothing clever, and no reason to be nervous about what is in the bottle.

What I would skip: a scented body wash on days when your skin is already irritated. Your skin is asking for less, so give it less.

One wipe in the bag earns its place in the moments water is not an option, such as the gym, a long flight or a festival. It is a small thing, and it is what wipes are good at.

Smile Makers' Silky Swipes come individually wrapped, which makes them the easiest to throw into a clutch. Love Wellness' pH Balanced Vulva Wipes are the brand's answer for the same moment. Luna Daily's Everywhere Spray-To-Wipe comes in a regular and a fragrance free version, and I would choose the fragrance free one if you are sensitive. The Honey Pot's Prebiotic Feminine Cleansing Wipes and DeoDoc's Intimate Wipes round out the pack-and-go group.

Then there are the soothing things. Medicine Mama's VMAGIC Vulva Balm and Rael's Soothing Vulva Relief Gel are for the days the skin feels sore or dry, and they sit in a drawer, not a gym bag.

What I would skip: any wipe or balm on skin that is cracked, burning or has a rash you cannot explain. If it stings, stop, and call your clinician, because comfort products are not a diagnosis.

A warm bath, not a hot one, is kinder to skin, and the soak is for the body only. Hot water dries skin out, and anything scented belongs outside the intimate area, so the whole thing stays gentle.

AMAN's Nourishing Coconut Milk Bath is the soft one, milky and plain in intent, and the brand's Grounding Body Oil is the partner for after. HigherDOSE's Serotonin Soak Salt and Commune's Seymour Bath Salts are the mineral, slow-Sunday options. Ortigia's Fico D'Indi Bath Salts are the most fragrant of the group, a good gift. Up&up's Relaxing Bath Oil with Jasmine and Melatonin is the wind-down one, and it is written for bedtime.

For afterward, Mila Moursi's Body Oil and CYKLAR's Sacred Santal In-Shower Body Oil Balm with Ceramides work on damp skin. Pat dry first, put the oil on the arms, legs and shoulders, and leave the intimate skin alone. The two together make the bath feel like a finished ritual, not a rinse.

What I would skip: bubbling, heavily scented soaks if you tend to get irritated. A plain soak with a scrap of quiet time is enough. Rinse off afterward, pat dry and let the evening end there.

To my mind, KUGIG Wash makes sense if you like the feel of a foaming wash and you read the label first, because the label is clear about what it is and is not. It is a cleanser with aloe and a prebiotic complex, a brand claim, and an unapproved homeopathic label. It is not a treatment, and the vulva does not need it.

If you want to use it, use it on the outside only, a few times a week, and stop if it stings. Keep the plain body wash, the wipes and the warm bath for everything else. Döderlein found the flora in 1892 and it has done well ever since. Your job is mostly to stay out of its way. If you want to keep browsing, I also put together The Best Facial Cleansers, From Cold Cream to the Rice Wash.