Ingredient
Indole Acetic Acid
Indole Acetic Acid is flagged for pregnancy and trying to conceive. The concern behind the strongest flag is absorbed into the body.
- IAA
- 3-Indoleacetic Acid
- Auxin
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 pregnancy, the profile this one is worst in
- Profiles flagged
- 2 of 6
- Counting avoid, high risk and medium risk
- Irritancy
- 1 of 5
- Higher means more likely to sting or redden
Indole Acetic Acid and pregnancy
Caution Advised
- Absorbed into the body
Indole Acetic Acid (IAA) is a plant hormone used in cosmetics for its potential anti-aging properties. While it's structurally different from retinoids, it's sometimes marketed as a retinol alternative that works on similar cellular pathways to promote skin cell turnover and renewal. The primary concern with IAA during pregnancy stems from insufficient safety data rather than proven harm. While IAA is naturally present in the human body at low levels and is involved in normal metabolic processes, there are no specific studies examining the safety of concentrated topical IAA during pregnancy. As a growth-regulating compound, there's theoretical concern about its effects on rapidly developing fetal tissues, though no actual evidence of harm exists. Most dermatologists take a precautionary approach to new active ingredients during pregnancy, especially those that affect cell growth and differentiation. Given the lack of pregnancy-specific safety data and its mechanism of action affecting cell growth pathways, many healthcare providers recommend postponing use of IAA until after pregnancy. More established and well-studied alternatives with clear safety profiles may be preferable for pregnant women who want skin renewal benefits.
Indole Acetic Acid and breastfeeding
Safe to Use
Indole Acetic Acid is a plant hormone with limited data on use during breastfeeding. However, IAA is naturally produced in the human body as part of normal tryptophan metabolism, and it's present in many foods, suggesting that small amounts of topical exposure are unlikely to pose concerns. While specific breastfeeding studies are lacking, the theoretical risk appears lower than during pregnancy because any absorbed IAA would be processed by the mother's body before reaching breast milk, and the compound is already present endogenously. The amounts potentially absorbed from topical cosmetic use would likely be minimal compared to dietary and endogenous sources. Given the limited data, some dermatologists recommend caution with new active ingredients during breastfeeding, though IAA appears to have a better theoretical safety profile for this period compared to pregnancy. Women who prefer to err on the side of caution may choose to wait until after weaning to introduce this ingredient.
Indole Acetic Acid and postpartum
Safe to Use
- Irritant
Indole Acetic Acid can be considered for postpartum skincare (when not breastfeeding) for its potential anti-aging and skin renewal benefits. It may help address skin texture changes and support skin regeneration after pregnancy. The main consideration is potential irritation, as IAA is an active ingredient that promotes cell turnover. Postpartum skin may be more sensitive than usual, so gradual introduction and monitoring for any irritation is advisable. Start with lower frequencies and increase as tolerated.
Indole Acetic Acid and trying to conceive
Caution Advised
- Absorbed into the body
Indole Acetic Acid has limited safety data for women trying to conceive. Given that pregnancy could occur at any time during the TTC period, and IAA lacks specific reproductive safety studies, a precautionary approach similar to pregnancy recommendations is advisable. Women who become pregnant while using IAA-containing products should consider discontinuing use once pregnancy is confirmed and discussing with their healthcare provider. Some may prefer to avoid introduction of new active ingredients like IAA during the TTC period and wait until after future pregnancies.
Indole Acetic Acid and PCOS
Safe to Use
Indole Acetic Acid is a plant growth hormone used in cosmetics for anti-aging benefits. For women with PCOS, there are no specific concerns about IAA affecting hormonal balance or exacerbating PCOS symptoms, as it does not interact with androgen or insulin pathways. The ingredient's cell renewal properties may be beneficial for improving skin texture and addressing signs of aging, though it's not specifically targeted at PCOS-related skin concerns like acne. It has no known effect on hormonal factors relevant to PCOS. IAA can be safely incorporated into a PCOS skincare routine, though women with PCOS-related skin sensitivity should introduce it gradually and monitor for irritation. It poses no hormonal concerns that would make it problematic for PCOS management.
Indole Acetic Acid and general use
Safe to Use
- Irritant
Indole Acetic Acid (IAA) is an emerging cosmetic ingredient derived from plant growth hormones. It's being explored as a potential alternative to retinoids for anti-aging benefits, with the theory that it can promote cell turnover and skin renewal through different mechanisms. As a relatively new cosmetic active, IAA has less extensive safety and efficacy data compared to established ingredients like retinol or AHAs. Some users may experience mild irritation, particularly when first introducing the ingredient or when using higher concentrations. The ingredient is generally well-tolerated, but those with sensitive skin should introduce it gradually. IAA is approved for use in cosmetics with no specific restrictions, though more research is needed to fully establish its efficacy and optimal use parameters. It may be suitable for those seeking retinol alternatives or those interested in plant-derived active ingredients.
Everything else flagged for the same profiles
Related ingredients
Ingredients suggested in place of Indole Acetic Acid, 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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A label has thirty of them. Truva reads the whole list at once and answers for the profile you set: pregnancy, breastfeeding, postpartum, trying to conceive, PCOS, or general use.
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