视黄醇

综述确认视黄醇存在皮肤刺激风险，但缺乏高质量临床试验证据

Review confirms retinol has skin irritation potential, but lacks high-quality clinical trial evidence

视黄醇仅作为模型药物用于渗透增强研究，未评估皮肤刺激

Retinol used only as a model drug for penetration enhancement; skin irritation not assessed

0.15%视黄醇斑贴试验在亚洲人中阳性反应率更高，证实视黄醇有刺激风险

0.15% retinol patch test showed higher positive reaction rate in Asians, confirming retinol's irritation potential

综述确认维A酸（包括视黄醇）可引起皮肤刺激

Review confirms retinoids (including retinol) can cause skin irritation

视黄醇作为对照，未报告严重副作用，但已知视黄醇有刺激风险

Retinol used as comparator; no severe side effects reported, but retinol is known to have irritation potential

视黄醇衍生物仍引起1例患者烧灼感和刺痛感，提示视黄醇类有刺激风险

Retinol derivative caused burning and prickling in 1 patient, indicating irritation potential of retinoids

微海绵制剂中视黄醇浓度0.15%，耐受性良好，未观察到明显皮肤刺激

Microsponge formulation with 0.15% retinol was well tolerated; no significant skin irritation observed

研究证实视黄醇通过MCP-1和IL-8介导皮肤刺激，并在兔子和人体试验中观察到刺激反应

The study confirms retinol induces skin irritation via MCP-1 and IL-8, with irritation observed in rabbit and human patch tests

该文献显示视黄醇棕榈酸酯改善干眼症状，无刺激报告。

This article shows retinol palmitate improves dry eye symptoms with no irritation reported.

该文献显示视黄醇棕榈酸酯在低浓度促进透明质酸释放，高浓度无细胞毒性，未提及刺激。

This article shows retinol palmitate promotes hyaluronic acid release at low concentrations, no cytotoxicity at high concentrations, no irritation mentioned.

该文献研究维生素A缺乏对角膜的影响，未涉及视黄醇的眼刺激。

This article studies effects of vitamin A deficiency on cornea, not retinol eye irritation.

该文献检测到泪液中天然存在视黄醇，表明其是正常成分，未引起刺激。

This article detects retinol naturally present in tears, indicating it is a normal component without causing irritation.

该文献显示局部视黄醇有效逆转角膜角化，无刺激报告。

This article shows topical retinol effectively reverses corneal keratinization with no irritation reported.

该文献显示局部视黄醇对角膜伤口愈合无影响，未提及刺激。

This article shows topical retinol has no effect on corneal wound healing, with no mention of irritation.

该研究评估了视黄醇包封在二氧化硅微粒中的皮肤致敏性，结果显示包封后未观察到皮肤致敏，且提高了安全浓度。因此，在该条件下视黄醇无致敏风险。

The study evaluated skin sensitization of retinol encapsulated in silica microparticles and found no skin sensitization after encapsulation, with increased safety concentration. Thus, retinol under these conditions poses no sensitization risk.

该研究使用视黄醇（维生素A）作为补充剂，发现补充视黄醇增强了药物（沙丁胺醇、纳多洛尔）的耳肿胀反应，但视黄醇本身并非测试的致敏原，而是作为免疫增强剂。因此，视黄醇可能通过免疫调节间接影响致敏，但并非直接致敏原。

The study used retinol (vitamin A) as a supplement and found that retinol supplementation boosted the ear swelling response to drugs (albuterol, nadolol), but retinol itself was not the tested allergen; it acted as an immune enhancer. Thus, retinol may indirectly affect sensitization via immunomodulation, but is not a direct sensitizer.

研究类视黄醇阳离子自由基的清除，涉及视黄醇的氧化机制，但未直接研究光毒性。

Study on scavenging of retinoid cation radicals, involving retinol oxidation mechanism, but not directly studying phototoxicity.

研究伏立康唑引起的光敏性，发现血清视黄醇水平仅轻度升高，不支持视黄醇作为主要致病因素。

Study on voriconazole-induced photosensitivity found serum retinol levels only mildly elevated, not supporting retinol as a causal factor.

研究比较维生素E制剂与视黄醇的光保护效果，发现视黄醇组反应更重，但视黄醇作为对照，未证实其光毒性风险。

Study compares vitamin E formulation with retinol; retinol group showed stronger reactions, but retinol was used as a control, not confirming its phototoxicity risk.

研究视黄醇衍生物，发现其光敏性降低，表明视黄醇本身具有光敏性，但衍生物改善了稳定性。

Study on retinol derivatives shows decreased photosensitivity, indicating retinol itself is photosensitive but derivative improves stability.

研究视黄醇衍生物，发现其光稳定性提高、光敏性降低，表明视黄醇本身具有光不稳定性，但该衍生物改善了这一点。

Study on retinol derivative shows improved photostability and decreased photosensitivity, indicating retinol itself is photolabile but derivative improves it.

体外实验证实视黄醇棕榈酸酯及其光分解产物在UVA照射下诱导DNA损伤和细胞毒性。

In vitro experiments confirm that retinyl palmitate and its photodecomposition products induce DNA damage and cytotoxicity under UVA irradiation.

文章为综述，提及需要研究视黄醇的光毒性，但未提供直接证据证实视黄醇存在光毒性风险。

The article is a review that mentions the need to study phototoxicity of retinol but does not provide direct evidence confirming phototoxicity risk.

文章为综述，讨论类视黄醇的光反应和光毒性，但未提供直接实验证据证实视黄醇的光毒性。

The article is a review discussing photoreactions and phototoxicity of retinoids but does not provide direct experimental evidence confirming retinol phototoxicity.

该文献研究痤疮治疗方案，视黄醇作为治疗成分使用，未报告其致痘风险，而是显示其减少粉刺的疗效，因此不证实致痘风险。

This study investigates acne treatment protocols, with retinol used as a therapeutic agent; it does not report comedogenicity but shows efficacy in reducing comedones, thus not supporting comedogenic risk.

系统性暴露：维生素A（视黄醇）补充剂上限3000 IU/天，过量有致畸风险，但未提及化妆品外用途径

Systemic exposure: vitamin A supplement upper limit 3000 IU/day; overdose teratogenic, but no mention of topical cosmetic use.

讨论RA致畸机制及CYP26酶的作用，但未涉及化妆品外用视黄醇的孕期风险

Discusses RA teratogenic mechanism and CYP26 enzymes; no relevance to topical retinol in cosmetics.

讨论RA在发育中的作用及过量致畸机制，但未涉及化妆品外用视黄醇的孕期风险

Discusses RA role in development and excess teratogenicity; no relevance to topical retinol in cosmetics.

系统性维A酸（口服）有致畸性，但外用维A酸正在发展，本文未提供外用视黄醇的孕期风险直接证据

Systemic retinoids are teratogenic, but topical retinoids are under development; no direct evidence for topical retinol risk in pregnancy.

讨论RA在发育中的作用及缺乏/过量致畸，但未涉及化妆品外用视黄醇的孕期风险

Discusses RA role in development and deficiency/excess teratogenicity; no relevance to topical retinol in cosmetics.

仅研究内源性维A酸分布及外源性RA致畸机制，未涉及化妆品外用视黄醇的孕期风险

Only studies endogenous retinoid distribution and teratogenic mechanism of RA; no relevance to topical retinol in cosmetics.

仅研究CRABP分布与RA致畸的关系，未涉及化妆品外用视黄醇的孕期风险

Only studies CRABP distribution and RA teratogenesis; no relevance to topical retinol in cosmetics.

系统性暴露（口服异维A酸/阿维A酯）有致畸证据，但维生素A（视黄醇）大剂量口服的致畸性缺乏流行病学对照，外用剂量相关性未提及

Systemic exposure (oral isotretinoin/etretinate) shows teratogenic evidence, but megadose vitamin A (retinol) lacks epidemiological controls; relevance to topical cosmetic doses is unclear.