Exfoliation: Renewing Skin Wisely

The skin renews itself. Every three to four weeks, approximately, the cells of the outermost layer die and are replaced by new ones from deeper layers. It is a natural, continuous, and quite efficient process when the skin is healthy and balanced.

The problem is that with age, this cycle slows down. At 20, renewal is fast and almost imperceptible. At 40, dead cells take longer to shed and tend to accumulate on the surface, giving that dull, uneven texture that we sometimes confuse with dryness or lack of hydration. Exfoliation helps accelerate this process when the natural rhythm is not enough.

But not all exfoliation is the same, and not all of it is suitable for all areas or all times. Understanding the difference significantly changes how it is used.

Gentle facial exfoliation

Chemical exfoliants

For the face, chemical exfoliation is the most gentle and controlled option. Instead of scrubbing to remove dead cells, it uses ingredients with biological activity that dissolve the bonds between cells and facilitate their gentle and progressive shedding. No abrasion, no irritation, no risk of damaging the skin barrier if used correctly.

The ingredients that do this work in the CUIDA-T catalog are three, each with a distinct profile.

PHAs or polyhydroxy acids, with gluconolactone as the benchmark, are the mildest chemical exfoliants available. Large molecule, slow penetration, no irritation. They progressively renew the surface and also have a moisturizing effect that makes them especially useful for sensitive or reactive skin. They are found in Olae's PHA serum at a concentration of 10%, sufficient for noticeable renewal without aggression.

Succinic acid works differently: in addition to gently exfoliating, it regulates sebum and has antibacterial action, making it particularly interesting for skin prone to imperfections or visible pores. It appears combined with NAG in Olae's renewing serum, where both ingredients complement each other: succinic acid exfoliates and purifies, while N-Acetyl Glucosamine renews and unifies skin tone.

Lactic acid is a medium-sized AHA, more active than PHAs but with better tolerance than glycolic acid. It exfoliates, hydrates, and has a noticeable brightening effect. It appears in Olae's ultra-hydrating serum along with urea and hyaluronic acid, a combination where exfoliation and deep hydration go hand in hand.

These three serums are used after cleansing, before creams or oils, and are not combined with each other in the same routine. One well-chosen serum according to skin type is sufficient. Frequency depends on tolerance, but starting two or three times a week and observing how the skin responds is always the most sensible approach.

Mechanical exfoliant: gentle syndet for the face

There's a special case in the catalog: Lamazuna's facial syndet exfoliant, which combines the gentle cleansing of a syndet with very light mechanical exfoliation thanks to apricot kernel powder and kaolin. It's not an aggressive exfoliant; it's more of a cleanser with a slightly textured feel that renews the surface with each use without the need for scrubbing. A step that does two things at once, cleansing and renewal, without overloading the routine.

For those who prefer mechanical exfoliation on the face or want something more immediate than chemical exfoliants, this is the most gentle option in the catalog.

Body exfoliation: mechanical exfoliation has more leeway

On the body, the skin is thicker and more resilient than on the face, and mechanical exfoliation makes much more sense. Scrubbing, sloughing off dead cells, stimulating circulation: all of that which would be aggressive on the face, is perfectly suitable for the body and very satisfying.

The body exfoliants in the catalog primarily use cane sugar as a mechanical agent, one of the most balanced options: fine enough grit not to scratch but effective at removing dead cells, and it also dissolves with water during rinsing without leaving residue. Syriana's exfoliants combine it with vegetable oils and shea butter, which nourish while exfoliating, and with botanical ingredients that give character to each variant: pomegranate with its antioxidant polyphenols, stimulating and firming coffee, honey and oats for more sensitive or dry skin.

Vegan Fox products are along the same lines but in solid form: sugar, kiwi seeds or coffee depending on the variant, with shea and vegetable oils. More concentrated, water-free, they last longer and travel better.

The exfoliating soaps from Sabater Hnos. and 1975 Dampa incorporate grape or poppy seeds directly into the soap bar, so they cleanse and exfoliate in a single step. The exfoliation is gentler than with a specific exfoliant, but it is constant and requires no additional effort.

The Sabosseta sisal bag deserves a special mention: it is not an exfoliant itself but an accessory that transforms any soap into a product with a soft exfoliating texture. Easy to wash, durable, and a very practical way to add renewal to your routine without additional products.

A note on pumice stone

The pumice stone is the oldest and also the most abrasive mechanical exfoliant. It has its place, but it is very specific: calluses on heels, elbows, or soles of the feet, always on moistened skin and never on areas with thin or sensitive skin. Used dry or on delicate areas, it can remove living cells and damage the barrier. With water, in appropriate areas and without excessive scrubbing, it fulfills its function without problems.

Frequency, common sense, and what your skin tells you

Exfoliation is not something that needs to be done every day. For the face, two or three times a week with gentle chemicals is enough for most skin types. For the body, once or twice a week yields visible results without over-stressing the skin.

Sensitive or reactive skin does better with less frequency and gentler ingredients, PHAs instead of AHAs, fine sugar instead of coarser grains. Oily skin or skin prone to imperfections can tolerate a bit more frequency and particularly benefit from exfoliants that also regulate sebum.

A couple of things to keep in mind: do not exfoliate the night before intense sun exposure, especially with acids, because renewed skin is more sensitive to radiation. And if you use retinol or bakuchiol in your nightly routine, do not add a chemical exfoliant on the same day: renewal is already covered, and adding more can cause irritation.

After exfoliating, both on the face and body, the skin is more receptive to whatever you apply next. It is the best time for a nourishing oil, a moisturizing cream, or an active serum. Taking advantage of this window makes everything else perform better.