Cyclopentasiloxane

1-2 year old toddlersSkin contact product

Check for Different Age (6 available)

Is this toddler-safe to use Cyclopentasiloxane?

⚠️
USE WITH CAUTION
Danger Score: 4 (Lower is safer)
Quick Answer: Cyclopentasiloxane use with caution for 1-2 year old toddlers when used in topical products. Watch for toddler-specific sensitivities.

ℹ️General Overview

For toddlers (1–2 years), this ingredient is not among the highest immediate risks, but there are animal and environmental reports showing concerns (hormone and nervous-system effects in animal studies, and that the chemical can stick around in the environment and build up in bodies). Because little long-term human data exists and young children have more skin exposure relative to their size, we recommend being cautious.

What to Do

If possible, choose products for your 1–2 year old that do not list cyclopentasiloxane. If a product does contain it, prefer rinse-off items (like shampoos) over leave-on creams or lotions, avoid applying on broken skin or right near the mouth, use sparingly, and avoid daily long-duration use. Do a small patch test on a hidden area first and stop use if you see redness, swelling, or irritation.

⚠️Warnings

Watch for skin irritation or any unusual behavior after repeated use. The warning comes from animal studies showing hormone and nervous-system effects (examples cited in the provided data include a 2005 inhalation cancer/tumor study and 2005–2007 reproductive/endocrine studies) and from environmental agency reports that flag persistence and bioaccumulation (Environment Canada; ECAH candidate listing). Also be aware of contamination concerns (related compound cyclotetrasiloxane was noted). If you are concerned, avoid the ingredient for toddlers and consult your pediatrician about products you plan to use regularly.

Confidence: MEDIUM

Are you holding the product?

Scan the full ingredient label and understand if it's safe for your child.

Scan the full label for free
Get instant analysis of all ingredients together

Safety Risk Labels

This ingredient has the following documented risks:

Hormones: Animal studies show this chemical can change hormone-related systems and affect reproduction in lab rats. Government and lab reports flagged endocrine effects after repeated exposures, so it may interfere with normal hormone development.
Brain Development: Lab studies found effects on nervous system targets (including dopamine receptors) at moderate doses in animals. That suggests a possible risk to early brain growth if infants or children are exposed.
Organ Risk: Government assessments note it can harm non-reproductive organs and animal studies link repeated exposure to organ effects. This shows it can be toxic to internal organs with ongoing exposure.
Cancer: A long-term animal inhalation study reported tumor findings in rats after repeated exposure. That animal evidence raises concern about a cancer link with repeated exposures.
Builds Up: European chemical regulators and government testing list this substance as persistent and bioaccumulative in wildlife and people. That means it can collect in the body over time.
Long-Term Risk: Because the chemical persists, builds up, and is linked to organ, hormone, and cancer findings in studies, it poses possible health effects after years of exposure.
Absorbed: Safety reviews note enhanced skin absorption for this ingredient when used on skin. That means it can get through the skin and into the body after topical use.
Environmental: Environment‑level reviews name this chemical as an environmental toxin and flag harm to wildlife. It is suspected to cause ecological damage when released into the environment.
Fertility: A two‑generation reproductive study in animals showed effects from repeated exposure, which raises concern about impacts on fertility and reproductive health.
Banned: European regulatory lists and some government guidance have put this substance on serious concern lists and recommend limits or controls in products and manufacturing, meaning it faces restrictions in some places.
Breast Milk: Because the chemical is persistent and bioaccumulative in people according to regulatory reviews, it can build up in the body and may reach breast milk and thus expose nursing infants.

Tap or hover over labels to see detailed risk information.

Alternative Names for Cyclopentasiloxane

This ingredient may also be listed as:

cyclopentasiloxane4-04-00-04128 (BEILSTEIN HANDBOOK REFERENCE)CHEMBL1885178DSSTOX_RID_78338DTXSID1027184D5 CYCLOMETHICONE, PHARMACEUTICAL SECONDARY STANDARD; CERTIFIED REFERENCE MATERIALSCHEMBL28497KSC493E2HCTK3J3223DSSTOX_GSID_27184ACMC-209LD1

Always check ingredient labels carefully, as ingredients may be listed under different names.

Products Containing Cyclopentasiloxane

This ingredient is found in the following products:

This list shows products that contain Cyclopentasiloxane or its alternative names.

Research Articles on Cyclopentasiloxane

Scientific research related to this ingredient:

These research articles provide scientific evidence about Cyclopentasiloxane safety and effects.

Common Questions About Cyclopentasiloxane

Is this toddler-safe to use Cyclopentasiloxane?

Use caution with Cyclopentasiloxane for 1-2 year old toddlers. Some safety concerns have been identified.

What are the hormones risks of Cyclopentasiloxane for toddlers?

May mess with natural hormone development in babies and children. Young children may be more sensitive to these effects.

What are the brain development risks of Cyclopentasiloxane for toddlers?

Possible effects on early brain growth and mental development. Young children may be more sensitive to these effects.

What are the organ risk risks of Cyclopentasiloxane for toddlers?

May harm organs like liver, kidneys, or lungs with repeated use. Young children may be more sensitive to these effects.

What are the cancer risks of Cyclopentasiloxane for toddlers?

Connected to cancer risk with long-term or repeated exposure. Young children may be more sensitive to these effects.

What are the builds up risks of Cyclopentasiloxane for toddlers?

Builds up in the body over time with repeated use. Young children may be more sensitive to these effects.

What are the long-term risk risks of Cyclopentasiloxane for toddlers?

Linked to long-term health effects after years of use or exposure. Young children may be more sensitive to these effects.

What are the absorbed risks of Cyclopentasiloxane for toddlers?

Can be absorbed through the skin and get into the bloodstream. Young children may be more sensitive to these effects.

What are the environmental risks of Cyclopentasiloxane for toddlers?

Possible negative effects on the environment Young children may be more sensitive to these effects.

What are the fertility risks of Cyclopentasiloxane for toddlers?

Some studies link this to future fertility or reproductive issues. Young children may be more sensitive to these effects.

What are the banned risks of Cyclopentasiloxane for toddlers?

Banned or heavily restricted in one or more countries. Young children may be more sensitive to these effects.

What are the breast milk risks of Cyclopentasiloxane for toddlers?

Detected in breast milk, meaning it can pass from mom to baby. Young children may be more sensitive to these effects.

What products contain Cyclopentasiloxane?

Cyclopentasiloxane is commonly found in skincare products, cosmetics, and topical applications. Always check ingredient labels before use.

When can toddlers using products with Cyclopentasiloxane?

The appropriate age depends on the specific ingredient properties and concentration. This analysis is for 1-2 year old toddlers. Use the age selector above to check other ages.

📱

Want to scan another product?

Use our camera scanner to analyze more ingredient labels

Scan Another Product