Ingredient
Butter
Butter is flagged for PCOS. The concern behind the strongest flag is can clog pores.
- Butyrum
- Dairy Butter
- Milk Butter
Verdict by profile
Truva checks every ingredient against six profiles. Jump to any of them for the full assessment.
- Strongest verdict
- Caution Advised
- Its verdict for PCOS, the profile this one is worst in
- Profiles flagged
- 1 of 6
- Counting avoid, high risk and medium risk
- Irritancy
- 1 of 5
- Higher means more likely to sting or redden
Butter and pregnancy
Safe to Use
Butter (Butyrum) in cosmetics is dairy butter derived from milk fat, containing primarily triglycerides, fatty acids, and fat-soluble vitamins. It's sometimes used in traditional or artisanal skincare products as a moisturizer due to its emollient properties and vitamin content (particularly vitamins A, D, and E). There are no safety concerns with topical use of butter during pregnancy. The ingredient provides surface-level moisturization with no systemic absorption of concerning amounts. While butter does contain small amounts of vitamin A, the topical application of dairy butter does not deliver vitamin A in a form or concentration that poses any risk to fetal development. The fat-soluble vitamins remain largely on the skin surface and any minimal absorption is far below levels that could cause concern. Butter has no hormonal activity and no mechanism by which it could affect pregnancy outcomes. Dermatologists and obstetricians have no restrictions on topical butter use during pregnancy. The main considerations are practical rather than safety-related: butter can be quite comedogenic (pore-clogging) and may cause breakouts in acne-prone individuals, which can be relevant as some pregnant women experience increased acne. Additionally, butter may not be the most elegant cosmetic ingredient due to potential rancidity. But from a pregnancy safety perspective, it is completely benign.
Butter and breastfeeding
Safe to Use
Butter is a dairy-derived emollient consisting primarily of milk fats. When used topically in cosmetics, it provides moisturization through its fatty acid content and delivers small amounts of fat-soluble vitamins to the skin surface. For breastfeeding mothers, topical butter poses no concerns. The ingredient cannot transfer to breast milk through topical application, as it remains on the skin surface and is not absorbed systemically in any meaningful way. While butter is a food product and breastfeeding mothers can safely consume it in their diet, even the minimal topical application on the breast area poses no risk to breastfed infants, though general hygiene practices suggest wiping the nipple area before breastfeeding to avoid the baby ingesting any cosmetic products. There are no restrictions on butter in cosmetics during breastfeeding from the AAD or lactation consultants. In fact, some traditional cultures have historically used butter or butter-based preparations for nipple care, though modern lanolin-based or medical-grade products are now typically preferred for this purpose. The only consideration is for mothers with infants who have severe dairy allergies, where even trace topical exposure might theoretically cause a reaction, though this is extremely rare.
Butter and postpartum
Safe to Use
Butter can serve as a basic emollient for postpartum skincare, providing moisturization through its fatty acid content. However, it is not an optimal ingredient for most postpartum skin concerns due to its high comedogenicity and potential to clog pores. There are no safety concerns with butter for postpartum women not breastfeeding. The ingredient is completely inert from a systemic perspective and provides straightforward moisturization. However, given butter's tendency to clog pores and its somewhat impractical nature as a cosmetic ingredient (prone to rancidity, less stable than plant-based butters), postpartum women might prefer more sophisticated moisturizing ingredients like shea butter, cocoa butter, or modern synthetic emollients that provide better cosmetic elegance and lower comedogenicity.
Butter and trying to conceive
Safe to Use
Butter (dairy butter) in cosmetics is completely safe for women trying to conceive. The ingredient has no hormonal activity, no effect on fertility, and no systemic absorption that could affect reproductive health. It simply provides surface-level moisturization through its fatty acid content. There are no restrictions or concerns with topical butter use when trying to conceive. The ingredient can be used throughout the TTC period and into early pregnancy without any need for discontinuation. The only consideration is the practical issue of comedogenicity—if butter causes breakouts, this might affect a woman's skincare satisfaction, but it has no bearing on fertility or conception.
Butter and PCOS
Caution Advised
- Can clog pores
Butter (dairy butter) is a highly comedogenic ingredient, meaning it has significant pore-clogging potential. For women with PCOS, who frequently struggle with acne due to elevated androgen levels and increased sebum production, using comedogenic ingredients can exacerbate breakouts and worsen skin concerns. The primary concern with butter for PCOS is its high comedogenicity rating (4 out of 5). While butter has no hormonal effects and does not interfere with androgen levels or insulin sensitivity, its tendency to clog pores makes it a poor choice for PCOS-related skincare. Women with PCOS typically need non-comedogenic products that won't contribute to acne formation, and dairy butter fails this criterion significantly. Dermatologists treating PCOS patients generally recommend avoiding highly comedogenic ingredients like dairy butter in facial skincare. While butter might be acceptable for very dry body areas (like hands or feet) where acne is not a concern, it should be avoided on acne-prone areas. Women with PCOS would be better served by non-comedogenic emollients like squalane, plant-derived oils with lower comedogenicity (like jojoba or argan oil), or modern synthetic emollients designed for acne-prone skin.
Butter and general use
Safe to Use
- Can clog pores
- Common allergen
Butter (Butyrum) in cosmetics refers to actual dairy butter derived from milk fat. While more commonly encountered as a food product, butter occasionally appears in traditional, artisanal, or small-batch cosmetic formulations. It consists primarily of triglycerides and fatty acids (including palmitic, oleic, and stearic acids), along with small amounts of fat-soluble vitamins A, D, and E. As a cosmetic ingredient, it functions as an emollient and moisturizer. The primary concerns with cosmetic butter are practical rather than toxicological. First, butter is highly comedogenic (rated 4 out of 5), meaning it can significantly clog pores and contribute to acne formation, particularly in individuals with oily or acne-prone skin. This makes it unsuitable for facial use for most people. Second, butter can cause allergic reactions in individuals with dairy allergies, though this is relatively uncommon with topical use since most dairy allergies are protein-based and butter is primarily fat. Still, residual milk proteins may be present and could trigger reactions in highly sensitive individuals. Third, butter is prone to rancidity and has poor stability compared to refined cosmetic ingredients, which raises concerns about product quality and shelf life. Butter is permitted in cosmetics in both the EU and US, though it is rarely used in modern commercial products due to the practical limitations mentioned above. Plant-based butters like shea butter, cocoa butter, and mango butter have largely replaced dairy butter in cosmetics because they provide similar or superior emollient properties with better stability, lower comedogenicity, and no allergen concerns. For the general public, dairy butter in cosmetics is not inherently dangerous but is generally considered an inferior choice compared to more cosmetically elegant alternatives. Individuals with dairy allergies should avoid products containing butter, and those with acne-prone skin should avoid butter-containing products on the face.
Everything else flagged for the same profiles
Related ingredients
Ingredients suggested in place of Butter, each one with its own page here.
Ingredients that raise the same concerns.
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 .
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