Безопасен ли beta-sitosterol при беременности?
CIR reviews of phytosterols note general cosmetic safety but some animal data show reproductive/embryotoxic effects at high or non-oral exposures; recent peer‑reviewed animal studies (mink, rodents, and a 2024 mouse study) report effects on reproductive endpoints, and beta‑sitosterol has demonstrated phytoestrogen/sex‑hormone‑modulating activity—so reproductive hazard is suspected (h=2) with a demonstrated mechanism (m=2). Topical cosmetic use gives low but measurable systemic exposure (e=1), much lower than doses in the animal studies; no harmonised CLP (ECHA Annex VI) classification was found. Sources: CIR phytosterol assessment; mink and rodent reproductive studies; recent 2024 mouse study; ECHA registration absence of harmonised classification.
Безопасные альтернативы beta-sitosterol при беременности | VeriMom
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Frequently asked questions
- Безопасен ли beta-sitosterol при беременности?
- CIR reviews of phytosterols note general cosmetic safety but some animal data show reproductive/embryotoxic effects at high or non-oral exposures; recent peer‑reviewed animal studies (mink, rodents, and a 2024 mouse study) report effects on reproductive endpoints, and beta‑sitosterol has demonstrated phytoestrogen/sex‑hormone‑modulating activity—so reproductive hazard is suspected (h=2) with a demonstrated mechanism (m=2). Topical cosmetic use gives low but measurable systemic exposure (e=1), much lower than doses in the animal studies; no harmonised CLP (ECHA Annex VI) classification was found. Sources: CIR phytosterol assessment; mink and rodent reproductive studies; recent 2024 mouse study; ECHA registration absence of harmonised classification.
- Безопасен ли beta-sitosterol при грудном вскармливании?
- Same rationale as pregnancy: animal evidence of reproductive effects and demonstrated hormone/immune modulation suggest suspected hazard (h=2) with a demonstrated mechanism (m=2). Systemic transfer to milk after topical cosmetic use is expected to be low but measurable (e=1)—clinical human lactation transfer data are lacking.
- Безопасен ли beta-sitosterol для кожи малыша?
- No infant‑specific data showing reproductive or developmental toxicity from topical exposure; per instructions we do not increase hazard/mechanistic scores without infant‑specific evidence (h=0,m=0). Beta‑sitosterol is lipophilic with measurable but limited dermal absorption in adults (adult e≈1), and immature infant skin increases exposure — therefore exposure for baby skin is raised by +1 to e=2 (low→moderate). CIR and CosIng list beta‑sitosterol for topical use with no specific concentration restrictions in cosmetics.
- Как VeriMom оценивает beta-sitosterol?
- VeriMom оценивает beta-sitosterol в 40/100 (средний риск) на основе EU CosIng, классификаций ECHA и исследований PubMed.
- Какие безопасные альтернативы beta-sitosterol при беременности?
- См. наш список безопасных альтернатив beta-sitosterol с аналогичной функцией и классификацией без известных рисков.
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Медицинская оговорка
Данная информация предоставлена исключительно в образовательных целях и не является медицинской рекомендацией. Оценки безопасности основаны на общедоступных данных и могут не отражать все риски. Всегда консультируйтесь с вашим врачом перед использованием любых средств во время беременности или грудного вскармливания.