Ingredient review
Steviol Glycosides & Platycodon Extract
INCI: Steviol Glycosides/Platycodon Grandiflorus Flower/Root Extract
A gentle, plant-derived blend that offers antioxidant protection and soothing benefits, ideal for sensitive or irritated skin.
In plain English
This ingredient is a mix of two plant-based components: steviol glycosides, which are natural sweeteners from the stevia plant, and an extract from the balloon flower (Platycodon grandiflorus). In skincare, it helps calm redness and protect skin from environmental damage. It's a mild, non-irritating option for those looking for natural soothing ingredients.
Review score
Safety, usefulness, and evidence
Potentially useful with some tradeoffs
The evidence base is still emerging, so marketing claims deserve extra caution.
Risk flags are low for most users, though the finished product can still irritate.
- Source
- mixed
- Evidence
- emerging
- Irritation
- low
- Clogging risk
- low
Quick decision guide
Useful, but context matters
Steviol Glycosides & Platycodon Extract is generally a lower-concern ingredient when the full formula suits your skin.
Plain-English read
Treat this as a practical screening step before you compare products that contain this ingredient.
- Step 1Start with the score, then check the irritation and clogging risk before judging Steviol Glycosides & Platycodon Extract.
- Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
- Step 3If a product stings, breaks you out, or worsens irritation, judge the finished formula and stop using it even if the ingredient scores well.
Score terms in plain English
Irritation risk
lowLess likely to sting, burn, or bother most users, though sensitive skin can still react.
Clogging risk
lowLess likely to feel heavy or contribute to clogged pores for most skin types.
Evidence level
emergingThe ingredient may be promising, but claims should be treated more cautiously.
What it is
A combination of steviol glycosides (sweet compounds from Stevia rebaudiana leaves) and an extract from the flowers and roots of Platycodon grandiflorus, a plant used in traditional medicine.
How it works
Steviol glycosides may help reduce inflammation and provide antioxidant activity, while Platycodon grandiflorus extract contains saponins and flavonoids that soothe skin and fight free radicals. Together, they work to calm irritation and protect against oxidative stress.
Pros
Gentle soothing
Helps calm redness and irritation without causing stinging or dryness, making it suitable for sensitive skin types.
Antioxidant support
Provides protection against environmental stressors like pollution and UV damage, which can help prevent premature aging.
Cons and cautions
Limited research
There is not much scientific evidence specifically on this blend, so its effectiveness is less proven compared to more studied antioxidants.
Low concentration risk
In many products, it may be used at very low levels, which could reduce its visible benefits.
Best for
- People with sensitive or reactive skin
- Those looking for natural antioxidant ingredients
Use caution if
- Individuals with known allergies to stevia or Platycodon plants
Usage tips
Safety summary
This blend is considered safe for topical use with low irritation and allergy risk. Patch testing is recommended for those with plant allergies.
Research notes
Research is limited to individual components: steviol glycosides show anti-inflammatory activity in lab studies, and Platycodon grandiflorus has demonstrated antioxidant and anti-inflammatory effects in cell and animal studies. No human trials on this specific blend were found.
Common label clues
- Typical concentration
- 0.1% to 2%
- Regulatory status
- Generally recognized as safe for cosmetic use in the EU and US, with no specific restrictions on this blend.
- Common uses
- Serums, Moisturizers, Soothing creams
- Environmental note
- Both stevia and Platycodon grandiflorus are cultivated plants, making this ingredient relatively sustainable when sourced responsibly.
Good to know
- Steviol glycosides are best known as zero-calorie sweeteners, but they also have anti-inflammatory properties when applied to skin.
- Platycodon grandiflorus is also called balloon flower and is used in traditional Korean and Chinese medicine.
Common questions
What is Steviol Glycosides & Platycodon Extract in beauty products?
This ingredient is a mix of two plant-based components: steviol glycosides, which are natural sweeteners from the stevia plant, and an extract from the balloon flower (Platycodon grandiflorus). In skincare, it helps calm redness and protect skin from environmental damage. It's a mild, non-irritating option for those looking for natural soothing ingredients.
What does Steviol Glycosides & Platycodon Extract do in a beauty product?
Steviol glycosides may help reduce inflammation and provide antioxidant activity, while Platycodon grandiflorus extract contains saponins and flavonoids that soothe skin and fight free radicals. Together, they work to calm irritation and protect against oxidative stress.
Is Steviol Glycosides & Platycodon Extract safe for most people?
This blend is considered safe for topical use with low irritation and allergy risk. Patch testing is recommended for those with plant allergies.
Who should be careful with Steviol Glycosides & Platycodon Extract?
Individuals with known allergies to stevia or Platycodon plants
Research sources
Ingredient reviews are educational and are not medical advice. Patch test new products and ask a licensed clinician about persistent irritation, allergies, pregnancy-specific questions, or diagnosed skin conditions.