Hydrolyzed Placental Protein

Hydrolyzed Placental Protein and pregnancy

Not Recommended

• Hormone disruptor
• Absorbed into the body

Hydrolyzed placental protein is derived from animal placenta and broken down into peptides for use as a moisturizing and anti-aging ingredient. It's valued in cosmetics for its growth factors and nutrient content, though the exact composition varies by source and processing method. The main concern during pregnancy is potential hormone content. Placenta naturally contains estrogens, progesterone, and other hormones that could theoretically affect pregnancy hormones if absorbed through the skin. While hydrolysis reduces molecular size and may decrease hormone levels, there's no standardized testing to confirm complete hormone removal. Most obstetricians recommend avoiding placental extracts during pregnancy due to this uncertainty and the lack of safety studies on pregnant women. Neither ACOG nor the FDA provides specific guidance on topical placental extracts during pregnancy, but the general medical consensus is to avoid hormone-containing or hormone-like ingredients when pregnant. Given the unknown hormone content and lack of pregnancy safety data, most healthcare providers advise choosing alternative moisturizing ingredients with better-established safety profiles.

Hydrolyzed Placental Protein and breastfeeding

Not Recommended

• Hormone disruptor
• May affect milk supply

Hydrolyzed placental protein comes from animal placenta and contains peptides, growth factors, and potentially residual hormones. While topical absorption is generally lower than oral intake, the hormone content in placental extracts raises concerns for breastfeeding mothers. The concern during breastfeeding centers on potential hormone transfer. If the product contains residual estrogens or progesterone, these could theoretically pass into breast milk or affect maternal hormone balance and milk production. Estrogen exposure, in particular, can sometimes decrease milk supply. The lack of standardization in placental extract processing means hormone content varies significantly between products, making it impossible to guarantee safety. While there are no specific studies on topical placental extracts during breastfeeding, the AAD and lactation consultants generally recommend avoiding products with uncertain hormone content while breastfeeding. The theoretical risk to milk supply and infant hormone exposure, combined with readily available safer alternatives, makes this an ingredient most breastfeeding mothers choose to postpone until after weaning.

Hydrolyzed Placental Protein and postpartum

Safe to Use

For postpartum women who are not breastfeeding, hydrolyzed placental protein presents fewer concerns. The ingredient can provide moisturizing benefits and may help with skin elasticity and texture concerns common after pregnancy. Without the concerns about hormone transfer to breast milk, the main consideration is individual tolerance and the quality of the product source. Choose products from reputable manufacturers who follow good manufacturing practices to minimize any contamination risks. If you have sensitive skin or allergies to animal-derived ingredients, patch testing is recommended before full application.

Hydrolyzed Placental Protein and trying to conceive

Not Recommended

• Hormone disruptor
• Fertility effects

When trying to conceive, maintaining optimal hormone balance is crucial for fertility and early pregnancy success. Hydrolyzed placental protein's potential hormone content makes it a concerning ingredient during this time, as you want to avoid anything that might interfere with natural hormone cycles or early embryo development. The theoretical risk is that residual hormones in placental extracts could affect ovulation, implantation, or early pregnancy before you know you're pregnant. Most fertility specialists recommend treating the preconception period the same as pregnancy in terms of ingredient avoidance, particularly for ingredients with hormone-like properties or uncertain safety profiles. Since you could become pregnant at any point while trying to conceive, it's safest to discontinue use of placental extracts before beginning your conception efforts.

Hydrolyzed Placental Protein and PCOS

Caution Advised

• Interferes with hormones

Hydrolyzed placental protein is an animal-derived ingredient containing peptides and potentially trace hormones. For individuals with PCOS, who already have hormone imbalances involving elevated androgens and often insulin resistance, introducing products with uncertain hormone content requires caution. The concern with PCOS is that any residual estrogens or other hormones in placental extracts could theoretically interfere with hormone balance or interact with PCOS medications. While topical absorption is limited, and the hormone content after hydrolysis may be minimal, the lack of standardized testing means you cannot be certain about what hormones, if any, remain in the product. There are no specific studies on placental extracts in women with PCOS. If you have PCOS and want to use this ingredient, consider discussing it with your healthcare provider, especially if you're on hormone-regulating medications like birth control or metformin. Many women with PCOS prefer to use well-studied moisturizing ingredients with no hormone concerns rather than risk potential interference with their treatment regimen.

Hydrolyzed Placental Protein and general use

Safe to Use

• Common allergen

For the general population not pregnant, breastfeeding, or trying to conceive, hydrolyzed placental protein is generally considered safe when used in cosmetic products. It functions as a moisturizer and anti-aging ingredient, with proponents claiming benefits from its growth factors and peptide content. The main concerns for general users are potential allergic reactions, especially in those sensitive to animal-derived ingredients, and the ethical considerations some people have about using animal placenta in cosmetics. Quality and sourcing vary between manufacturers, so choosing reputable brands that follow good manufacturing practices is important to minimize any contamination risks. While some people report good results with placental extracts, the scientific evidence for superior anti-aging benefits compared to other peptides or growth factors is limited. The ingredient is legal in both the EU and US when properly processed and safety-assessed, though it's more popular in Asian beauty markets. For those uncomfortable with animal-derived ingredients or seeking more extensively researched options, many plant-based or synthetic peptides offer similar moisturizing and anti-aging benefits.

Everything else flagged for the same profiles

• Flagged in pregnancy
• Flagged in breastfeeding
• Flagged in trying to conceive
• Flagged in PCOS

Related ingredients

Ingredients suggested in place of Hydrolyzed Placental Protein, each one with its own page here.

• Hyaluronic Acid
• Glycerin
• Niacinamide
• Squalane

Ingredients that raise the same concerns.

• Mucuna Pruriens Seed ExtractMay affect milk supply, Fertility effects, Interferes with hormones
• Vitex Agnus Castus ExtractMay affect milk supply, Fertility effects, Interferes with hormones
• Nicotiana Tabacum Leaf ExtractMay affect milk supply, Fertility effects, Interferes with hormones
• Trifolium Pratense Flower ExtractMay affect milk supply, Interferes with hormones, Hormone disruptor
• Humulus Lupulus ExtractMay affect milk supply, Interferes with hormones, Hormone disruptor
• Cnidium Monnieri Fruit ExtractMay affect milk supply, Interferes with hormones, Hormone disruptor

Where this came from

Truva summarises published guidance from bodies including ACOG, the FDA, the EU SCCS and the Cosmetic Ingredient Review. It has no access to your medical history and it is not a substitute for your doctor, dermatologist or midwife. These assessments have not been reviewed by a clinician, and nothing here is a diagnosis or a prescription. If you are pregnant, breastfeeding or being treated for PCOS, take the ingredient list to the person looking after you.

Assessment last pulled from the ingredient database on 15 September 2026.