TempoLife › Funkcijas › Skincare ingredient dictionary › hydroquinone

Hydroquinone

Hydroquinone ādas kopšanā: Skin-lightening agent (not a permitted EU cosmetic). Ko tas dara uz ādas, cik spēcīgi patiesībā ir pierādījumi aiz apgalvojuma, koncentrācijas parastā lietošanā, kas uz to reaģē un kāda ir situācija grūtniecības laikā un saulē. Uz etiķetes tas parādās kā Hydroquinone.

Pigments un gaišināšanaSkin-lightening agent (not a permitted EU cosmetic)Pierādījumi:Spēcīgs

Uz etiķetes:Hydroquinone. Sauc arī:Found in illegally imported "whitening" creams.

Šī ir sastāvdaļu uzziņu informācija, nevis diagnoze un nevis ārstēšanas plāns. Tā apraksta, kas ir šīs vielas un ko apstiprina publicētie pierādījumi; tā nepasaka, kas ir jūsu ādai vai ko uz tās likt. Izsitumi, kas izplatās, sāp, tek, nepāriet vai ko pavada slikta pašsajūta, ir iemesls apmeklēt ārstu vai farmaceitu, nevis nomainīt serumu.

Kas tas ir

A phenol that blocks tyrosinase, the enzyme that starts melanin production, and reduces the pigment cells' output while it is used. It was for decades the reference treatment for melasma and stubborn pigmentation, and it works. It is on this list not as a recommendation but because people meet it: it is one of the substances most often found in skin-lightening creams bought online or brought back from abroad.

Ko tas dara uz ādas

It suppresses pigment production wherever it is applied, including on skin you did not intend to lighten, which is why patchy pale areas around a treated spot are a recognised outcome of careless use. The effect reverses when you stop, so the treatment is a course with an end, supervised, not a product you use indefinitely.

Cik vērti ir pierādījumi

Pierādījumi:Spēcīgs

The efficacy evidence is strong and old. The safety questions are what changed the rules: prolonged, unsupervised, high-strength use — particularly on darker skin — can cause exogenous ochronosis, a blue-black discolouration that is difficult to treat and can be permanent. That is the outcome that supervision is meant to prevent.

Kā to lieto

In countries where it is available it is a prescribed course of treatment with a defined duration and follow-up, not an over-the-counter cosmetic. If pigmentation is the problem, the cosmetic and prescription alternatives — azelaic acid, retinoids, vitamin C, tranexamic acid, and above all daily sun protection — are the route your clinician will take first.

Tipiskā koncentrācija parastā lietošanā:Not permitted in EU skin cosmetics. Tas ir tirgus apraksts, nevis ieteikums, un tā nav deva.

Kas uz to reaģē

Irritation, contact dermatitis, a temporary halo of lighter skin around the treated area, and with long unsupervised use the ochronosis described above. Every one of those risks rises when the product is unlabelled and the concentration is unknown.

Grūtniecība un barošana ar krūti

Grūtniecības laikā pārtrauc

Not used in pregnancy. Pregnancy-related melasma is common and frustrating, and the safe approach is rigorous sun protection plus treatments your clinician approves — not an unlabelled cream from an online marketplace.

Saules gaisma

Jutīgāks pret sauli

Skin with suppressed pigment production burns more easily, and any pigmentation treatment fails without sun protection because ultraviolet exposure is what drives the pigment in the first place.

Noteikumi un marķējums

Hydroquinone is prohibited in cosmetic products in the EU except in professional artificial nail systems; it may not lawfully be sold here in a face cream. In the United States it is regulated as a medicine rather than a cosmetic. Imported skin-lightening creams are a recurring subject of national safety recalls, and the same products have repeatedly been found to contain potent steroids or mercury as well. The World Health Organization publishes an information sheet on mercury in skin-lightening products.

Ar ko tas sader un ar ko ne

Not applicable in the EU. If you have brought a product home from abroad and it has lightened your skin quickly, that speed is a reason to have it checked rather than a reason to continue.

Viena lieta, ko cilvēki saprot nepareizi

The myth is that a cream sold openly on a large marketplace must be legal and tested. Skin-lightening creams are among the most frequently flagged product categories in European safety alerts, precisely because unlabelled hydroquinone, potent corticosteroids and mercury keep turning up in them. If a cream lightens skin within days, something in it is not a cosmetic.

Avoti: ES Kosmētikas regula (EK) Nr. 1223/2009 un tās pielikumi, kā publicēts Eiropas Komisijas CosIng datubāzē, attiecībā uz katru apgalvojumu par to, kas ir atļauts, ierobežots vai aizliegts · Patērētāju drošības zinātniskās komitejas (SCCS) atzinumi un Cosmetic Ingredient Review (CIR) drošības novērtējumi attiecībā uz koncentrāciju nostājām · standarta dermatoloģijas uzziņu materiāli par mehānismu, panesamību un kontaktalerģijas modeļiem · pārbaudīts2026-09-06. Tiešās saites ir apzināti izlaistas tur, kur nebija iespējams apstiprināt stabilu publisku URL.

Bieži uzdotie jautājumi

Tuvumā vārdnīcā