The shower gel maintains the skin’s pH more effectively. However, this depends on their respective compositions.
This depends on the shower gels. Some are formulated for use on facial skin, but that is not always the case.
Like all cosmetic products, the shower gel is likely to irritate the skin, particularly if it contains synthetic fragrances. If you have sensitive skin, it is advisable to opt for mild, so-called "hypoallergenic" products.
A small amount of shower gel, roughly the size of a walnut, is generally sufficient to cleanse the entire body.
No, shower gel is not designed for effective makeup removal, especially when you’re using water-resistant (waterproof) cosmetic products.
Yes, if it contains overly harsh surfactants. A well-formulated shower gel limits the disruption of the hydrolipidic film thanks to re-lipidizing or humectant agents. Choosing the right product is therefore essential.
It is preferable to choose a shower gel enriched with nourishing and hydrating agents, such as vegetable oils or glycerin. If your skin is particularly dry, you can also turn to a dermatological cleansing bar.
Not necessarily. Lather is primarily a sensory indicator and doesn’t reflect actual cleansing efficacy. A low-lather shower gel can be just as effective and even gentler on the skin.
They may be irritating, but this is not always the case. It all depends on the surfactants used and the overall formulation. A naturally derived ingredient can also be irritating if it is improperly dosed.
Yes, a pH close to that of the skin (≈ 5.5) helps preserve the skin barrier. An overly alkaline pH can weaken the skin and promote dryness or irritation.

