Soie — Hand Beauty

What a Hand Serum Does: What Happens When You Use a Serum on Your Hands

What a hand serum does is layer water and beauty ingredients into the outer skin of the hands, bringing out smoothness and radiance. This page sets out what to expect from it, in three areas, moisture, skin condition and feel, and what not to expect.

What a hand serum does can be said in one sentence: it returns to the hands what washing takes away. The hands are washed many times a day, and each wash removes water and sebum from the outer skin. A hand cream answers by laying down a film of oil to slow further loss; a serum answers by putting water and beauty ingredients back.

But what actually happens when you use one? This page describes the work of a hand serum in three parts: moisturising, conditioning and being easy to keep up. It follows the feel of the hands from the moment of application to several hours later, shows how to read the ingredient list by role, and states plainly what a serum cannot do. Knowing the outline of the job comes before expecting anything of it.

What a hand serum does: three jobs

The work of a serum made for the hands can be divided into three jobs.

Moisturise: return water to the outer skin

The back of the hand has few sebaceous glands and thin skin. When washing and friction strip the sebum film, water escapes from the stratum corneum and the skin turns rough and uneven. The first job of a serum is to replace that water and support the skin's own ability to hold it. Moisturising ingredients such as ceramides, peptides and sodium hyaluronate carry this part.

Condition: keep the texture smooth

The second job is to keep the skin of the hands in good condition. Skin-conditioning ingredients such as EGF (oligopeptide-1) and KGF (oligopeptide-41) sit at the core of formulas that moisturise and condition the hands. This is why a serum belongs to beauty care rather than to simple protection.

Be easy to keep up: reapply all day

The third job is the most practical and the most often overlooked. Because the hands are washed so much more than the face, their care has to be repeated far more often. A texture that sinks in without stickiness can follow every wash without interrupting work. In hand beauty, being able to continue matters as much as what is in the bottle.

From the first second to several hours later: how the hands feel

The clearest way to see what a hand serum does is to follow it through time.

On application. A water-based serum spreads the instant it touches the fingertips and melts into the skin. No film is left on the surface, so a keyboard or phone can be used at once.
Thirty minutes later. The moisture layered into the outer skin settles; the tight feeling on the backs of the hands eases and the skin feels supple. The fragrance has moved from top to heart notes and sits close to the hands.
Several hours later. While the moisture holds, the texture of the backs of the hands looks even, and smoothness and clarity continue. The next wash removes part of it, so the serum goes on again.

The act of applying it has a job of its own. Working the serum in with the whole palm, drawing it along each finger, pressing lightly around the nails: those thirty seconds encourage circulation in the hands and, with the scent, mark a small change of mood. The link between circulation and the look of the hands is described on our Hand Beauty page.

Reading what it does from the ingredient list

What a hand serum does becomes concrete when the ingredient list is read by role. Cosmetic ingredients are listed, as a rule, from largest quantity to smallest, so what follows water describes the formula.

Moisturising ingredients. Ceramides (there are several types, such as EOP, NG, NP, AG and AP), peptides and sodium hyaluronate. They support the sebum film that holds water in the stratum corneum, guarding against dryness and roughness and leading to a supple feel.
Skin-conditioning ingredients. EGF (oligopeptide-1), KGF (oligopeptide-41) and similar. They are included to moisturise the hands and keep the skin in good condition.
Plant lipids and extracts. Squalane, jojoba seed oil, macadamia seed oil and olive fruit oil smooth the skin; botanical extracts such as rosemary, aloe and chamomile give gentle moisture.
Nail and fingertip ingredients. Dimethyl sulfone and horsetail extract (skin-conditioning ingredients) and hydrolysed keratin extend the care to the dry skin around the nails.

A medical account of what each ingredient does inside the skin lies outside what a cosmetic can claim. The three things worth checking are whether moisturising ingredients lead, whether skin-conditioning ingredients are present, and whether lipids and extracts round out a formula built to smooth the hands. How to choose by ingredients is covered in What is a hand serum.

What a hand serum cannot do: sun, what lies beneath, and medicine

To understand the job, know its limits.

It does not block the sun. A hand serum has no sun protection factor. Outdoors, apply a sunscreen of SPF 30 or above to the backs of the hands and reapply roughly every two hours. The serum goes on first, thinly, and again after the evening wash.
It does not reverse changes beneath the skin. As subcutaneous fat thins with age and veins and tendons stand out, nothing applied to the surface can undo that. What a serum attends to is the skin itself, guarding against dryness and uneven texture so the hands keep a fuller, smoother look.
It is not medicine. If cracks, redness or itching persist, consult a dermatologist rather than continuing with cosmetic care.

Seen from the other side, the job is precise. Return the moisture that each wash removes, keep the texture of the skin even, and make that possible as many times a day as the hands are washed. Within that scope, repeated daily, the impression the hands make does change. How to think about the signs of age on the hands is set out in Hand care as the years pass.

Frequently asked questions

What changes when I use a hand serum?

On application it sinks in and leaves no film. Within about half an hour the tight feeling on the backs of the hands eases and the skin feels supple. While the moisture holds, the texture looks even and smoothness and clarity continue. Each wash removes part of it, so it goes on again afterwards.

Is there any point using a hand serum if I cannot use it every day?

The hands lose moisture at every wash, and the job of a serum is to put it back, so the more consistently it follows washing, wet work, going out and bedtime, the smoother the hands stay. Several light applications through the day sink in better than one generous one. Start with the moments you can keep.

Can a hand serum replace hand cream?

They do different jobs. A cream is a protectant that slows water loss with a film of oil; a serum is a moisturiser that layers water and beauty ingredients into the outer skin. If the serum alone leaves your hands comfortable, one product carries the day; on dry nights, cream over the serum covers both roles.

Does a hand serum do anything for nails and fingertips?

Yes. The skin around the nails dries quickly and shapes the impression the hands make. The last step of applying a serum is a light pressing massage around the nails. A formula that includes dimethyl sulfone, horsetail extract (skin-conditioning ingredients) and hydrolysed keratin extends the care to the fingertips.

Does a hand serum protect against the sun?

No. A hand serum has no sun protection factor. When you go out in daylight, apply your usual sunscreen to the backs of the hands as well and reapply roughly every two hours outdoors. Smooth the serum on first, thinly, and after you come home wash and moisturise again.

The job Soie's hand serum takes on

Soie (pronounced swah; French for silk) designed Enlight Hand Serum only for the hands, to hold all three of these jobs in one bottle. It combines EGF and KGF (skin-conditioning ingredients) with five ceramides and peptides (moisturising ingredients), and over 95% of its ingredients are of natural origin. The feel of the skin at application, after thirty minutes and hours later was part of the design, and the texture sinks in without stickiness.

The formula is gentle enough for sensitive skin and children and can be used on elbows and knees. Five perfume-grade fragrances by our dedicated perfumer are composed to sit close to the hands, turning the thirty seconds of application into a change of mood. Stop use if the product disagrees with your skin.