La Roche-Posay
La Roche-Posay Hyalu B5 Booster
Serums
Safety score
Pregnancy-focused assessment
No Known Risks99/100
Higher concernLower concern
No higher-risk ingredients were identified in MamaSkin's current assessment. Check the latest package before deciding.
Formula and assessment check
Ingredient safety review updated 24 November 2025. Product formulas can change, so compare the ingredients shown here with the packaging you have.
Report a formula mismatchIngredient breakdown
See how the listed formula falls across MamaSkin's pregnancy-focused risk bands.
13
No known risks
0
Low risk
0
Medium risk
0
High risk
Ingredients
Ingredients with a higher risk flag appear first, followed by the rest of the formula.
Glycerin
No Known RisksGlycerin is a widely used humectant that supports hydration and the skin barrier, with a long safety record and no known pregnancy or breastfeeding concerns in topical cosmetic use.
Sources: CIR; EU/UK Cosmetics Regulation
Panthenol
No Known RisksPanthenol (pro-vitamin B5) is used for soothing and barrier support and is generally well tolerated, with no known pregnancy or breastfeeding concerns in topical cosmetic use.
Sources: CIR; EU/UK Cosmetics Regulation
Show all (13)
Propanediol
No Known RisksSolvent and humectant used to improve texture and ingredient solubility. Low systemic exposure expected from topical cosmetic use.
Sources: Cosmetic Ingredient Review (US); Scientific Committee on Consumer Safety (EU)
Pentylene Glycol
No Known RisksHumectant and preservative booster. Considered safe for cosmetic use with low systemic exposure.
Sources: Cosmetic Ingredient Review (US); Scientific Committee on Consumer Safety (EU)
Sodium Hyaluronate
No Known RisksSodium hyaluronate (hyaluronic acid salt) is used for hydration and cushioning, with very low systemic absorption from topical use and no known pregnancy or breastfeeding concerns at cosmetic concentrations.
Sources: CIR; EU/UK Cosmetics Regulation
Sodium Acetylated Hyaluronate
No Known RisksModified hyaluronate humectant and skin-conditioning ingredient. Reviewed cosmetic safety sources support topical hyaluronate ingredients, with no pregnancy- or breastfeeding-specific concern identified for normal cosmetic use.
Sources: CIR: Safety Assessment of Hyaluronates as Used in Cosmetics; EU CosIng / cosmetics regulatory inventory
Adenosine
No Known RisksSkin-conditioning ingredient commonly used in leave-on skincare. Reviewed cosmetic safety sources support normal topical use, with no pregnancy- or breastfeeding-specific topical signal identified in the material reviewed.
Sources: CIR: Safety Assessment of Adenosine Ingredients as Used in Cosmetics; EU CosIng / cosmetics regulatory inventory
Copper Gluconate
No Known RisksA mineral salt of gluconic acid used for skin conditioning or formula support. Cosmetic safety reviewers concluded that the assessed gluconate salts are safe in current practices when formulated to be non-irritating.
Sources: CIR: Zinc Gluconate final assessment, March 2018; Copper Gluconate final assessment, March 2025; December 2025 Quick Reference Table https://cir-safety.org/sites/default/files/QRT-Update-Dec2025.pdf
Hydrolyzed Hyaluronic Acid
No Known RisksHumectant and skin-conditioning ingredient in the hyaluronate family. Reviewed cosmetic safety sources support current cosmetic use, with no pregnancy- or breastfeeding-specific topical concern identified in the material reviewed.
Sources: CIR: Safety Assessment of Hyaluronates as Used in Cosmetics; EU CosIng / cosmetics regulatory inventory
Caprylyl Glycol
No Known RisksHumectant and preservative booster used to support product stability. Low systemic exposure expected from topical cosmetic use.
Sources: Scientific Committee on Consumer Safety (EU); Cosmetic Ingredient Review (US)
Citric Acid
No Known RiskspH adjuster used in small amounts to maintain product stability. Not associated with pregnancy-specific concerns.
Sources: Scientific Committee on Consumer Safety (EU); European cosmetics regulatory framework
Trisodium Ethylenediamine Disuccinate
No Known RisksChelating ingredient used to improve formula stability by binding trace metals. Reviewed cosmetic ingredient references do not identify a pregnancy- or breastfeeding-specific concern for normal topical use.
Sources: CIR cosmetic ingredient safety references for chelating agents; EU CosIng / cosmetics regulatory inventory
Formulations can change without notice. For the most accurate result, compare this list with your packaging and scan the exact ingredient label in MamaSkin when you repurchase.
How to use this assessment
The risk band is the primary conclusion. The score adds detail within that band and should not be used to compare products as if a one-point difference were clinically meaningful.
MamaSkin provides pregnancy-focused information, not medical advice. Your midwife, GP, pharmacist or dermatologist should take priority when your circumstances differ from typical cosmetic use.
