Is Dihydroxyacetone (DHA) safe for babies and kids?
Moderate risk for kidsNot intended for use on infants. Higher skin permeability and immature metabolic systems warrant avoidance.
What is dihydroxyacetone (dha)?
Dihydroxyacetone (DHA) is a cosmetic ingredient, ketose sugar, tanning agent.
The IUPAC name is 1,3-dihydroxypropan-2-one.
Also known as: DHA, Dihydroxyacetone, 1,3-Dihydroxypropan-2-one, Glycerone.
- IUPAC name
- 1,3-dihydroxypropan-2-one
- CAS number
- 96-26-4
- Molecular formula
- C3H6O3
- Molecular weight
- 90.08 g/mol
- SMILES
- OCC(=O)CO
- PubChem CID
- 670
Risk for babies
Moderate riskNot intended for use on infants. Higher skin permeability and immature metabolic systems warrant avoidance.
Infant skin has higher permeability and a less developed stratum corneum. DHA-containing products are not formulated or intended for infant use. Incidental contact from a caregiver's treated skin is unlikely to cause harm but should be minimized.
Risk for pregnant and nursing people
Low riskLimited specific data for pregnancy. Topical DHA has minimal systemic absorption, suggesting low fetal exposure risk. Inhalation route should be avoided.
No specific reproductive or developmental toxicity studies exist for topical DHA in humans. Given minimal systemic absorption through intact skin, fetal exposure from topical use is expected to be negligible. However, spray tanning should be avoided during pregnancy due to inhalation concerns and lack of safety data for this route.
Regulatory consensus
3 regulatory and scientific bodies have classified Dihydroxyacetone (DHA). The classifications differ — that's the data.
| Agency | Year | Classification | Notes |
|---|---|---|---|
| FDA | 1977 | Approved for external cosmetic use | Listed color additive (21 CFR 73.2150). Approved for external application only. Not approved for use on lips, eyes, mucous membranes, or for inhalation. |
| EU Cosmetics Regulation | 2009 | Annex III — Restricted cosmetic ingredient | Maximum concentration of 10% in cosmetic products. EC Regulation 1223/2009 Annex III. |
| CIR | 2005 | Safe as used in cosmetic formulations | Cosmetic Ingredient Review panel concluded DHA is safe for use in cosmetic formulations at current concentrations when applied topically. |
Regulators apply different standards of evidence — animal-data weighting, exposure-pattern assumptions, epidemiological power thresholds — which is why two scientific bodies can review the same data and reach different conclusions. The disagreement is the data.
Where kids encounter dihydroxyacetone (dha)
-
Cosmetic
Primary commercial use. Concentrations typically 1-15% DHA.
-
Cosmetic
Used in professional spray tanning booths and at-home spray products. FDA caution regarding inhalation.
-
Cosmetic
Lower concentrations (1-5%) for gradual tanning effect.
-
Biochemistry
Dihydroxyacetone phosphate (DHAP) is a key intermediate in glycolysis and gluconeogenesis. DHA itself is a natural metabolite.
Safer alternatives
Lower-risk approaches that achieve a similar outcome to Dihydroxyacetone (DHA):
- Erythrulose (slower-acting, often combined with DHA for more natural color)
- Cosmetic bronzing powders/makeup (temporary, no chemical skin reaction)
Frequently asked questions
Is dihydroxyacetone (dha) safe for kids?
Not intended for use on infants. Higher skin permeability and immature metabolic systems warrant avoidance.
What should I do if my child is exposed to dihydroxyacetone (dha)?
Do not apply DHA-containing products to infants. Minimize skin-to-skin transfer from recently treated caregivers.
Why do regulators disagree about dihydroxyacetone (dha)?
Dihydroxyacetone (DHA) has been classified by 3 agencies including FDA, EU Cosmetics Regulation, CIR, with differing conclusions. Regulators apply different standards of evidence (animal data weighting, exposure-pattern assumptions, epidemiological power thresholds), which is why two scientific bodies can review the same data and reach different conclusions. See the regulatory consensus table on this page for the full picture.
See Dihydroxyacetone (DHA) in the baby app
Look up products containing dihydroxyacetone (dha), compare to alternatives, and explore the full data record.
Open in baby View raw API dataReference data, not professional advice. Aggregates publicly available regulatory and scientific data; not a substitute for veterinary, medical, legal, or regulatory advice. Why we built ALETHEIA →