Edelweiss Extract: Comedogenic Rating & Ingredient Analysis

INCI name: Leontopodium Alpinum Extract · Also known as: Leontopodium alpinum extract, Alpine star extract

AntioxidantSoothingAnti-agingEnvironmental protection
Edelweiss Extract — comedogenic rating and irritation risk chart
Edelweiss Extract: Comedogenic rating 0/5 · Irritation risk: Low. Comedogenic ratings from Fulton (1989).

Edelweiss extract comes from Leontopodium alpinum, the iconic white star-shaped flower that grows high in the Alps. Living in a harsh, high-altitude environment with intense sunlight, cold and dryness, edelweiss produces a rich mix of protective antioxidant compounds to survive, and skincare has embraced this 'survivor plant' story. As a botanical extract, edelweiss is used mainly for its antioxidant and soothing properties, positioned as a natural helper in defending skin against environmental stress and supporting a calmer, more resilient complexion. It is gentle and well tolerated, making it a popular botanical in products aimed at sensitive and stressed skin.

Quick facts

Comedogenic rating
0/5our estimate — not measured
Irritation risk
Low
Effective pH
—
Typical strength
0.1–3%
Pregnancy
Considered safe
Suits skin types
sensitivedrynormalcombinationmature
Where this number comes from

No one has published a comedogenic rating for this ingredient. Fulton's 1989 table tested about 250 raw materials and this was not among them, and we found no later study measuring it. The figure shown is our own reasoning from the ingredient's chemistry and how it is used — treat it as an estimate, not a measurement.

Fulton read his own scale as 0-1 not significant, 2-3 borderline, 4-5 positive. The assay is the rabbit ear at 10% dilution, which the paper itself calls extremely sensitive and not fully predictive of human skin. Ratings describe the raw ingredient; concentration and formulation change real-world behaviour.

Caution profile

The four published fields on this page, on one 0–5 scale. Further from the centre means more care is needed — never that the ingredient is worse.

Derived, not measured: pore-clogging is the published comedogenic rating; irritation maps low/moderate/high to 1/3/5; pregnancy maps safe/caution/avoid to 0/3/5; skin-type limits is how many of the seven skin types this entry does NOT list. Every input is printed in words in the quick-facts card above.

Show the numbers
Metric0–5Published field
Pore-clogging00/5
Irritation1Low
Skin-type limits1.45/7
Pregnancy0Considered safe

Working pH and typical strength

Where this ingredient is formulated to sit, and at what concentration.

Both bars come from the fields above: the pH window and the typical strength range published for this ingredient. The tinted column is healthy skin's surface pH (about 4.7–5.75).

Show the numbers
Metric0–5
Typical strength0.1–3%

What is it?

Edelweiss extract is a plant extract rich in antioxidant molecules, including leontopodic acids, chlorogenic acid and various flavonoids, which the plant uses to protect itself from UV radiation and oxidative stress at altitude. In skincare, these compounds are valued for their free-radical-scavenging and soothing activity. Because botanical extracts vary in strength depending on how they are grown, harvested and processed, the potency of edelweiss in any given product can differ, and much of the evidence comes from lab and manufacturer studies rather than large independent trials. Even so, it is a pleasant, gentle antioxidant botanical that fits naturally into protective, calming formulas, often alongside other antioxidants.

Benefits

Antioxidant protection

Edelweiss is rich in antioxidant compounds like leontopodic and chlorogenic acids, which help neutralise free radicals and support the skin's defences against environmental stress.

Soothes and calms

The extract has soothing properties that can help comfort sensitive, reactive or stressed skin, making it a gentle botanical addition to calming formulas.

Supports resilience

As a plant adapted to harsh alpine conditions, edelweiss is positioned to help skin better withstand environmental challenges such as UV and pollution over time.

Gentle botanical option

Edelweiss is well tolerated and suits sensitive skin, offering a plant-based antioxidant choice for those who prefer botanical ingredients in their routine.

How to use

Use products containing edelweiss extract once or twice daily on clean skin; it is gentle and needs no adjustment period. Because its main strengths are antioxidant and soothing, it works well in the morning to support the skin against daytime environmental stress, always under sunscreen, and it is equally suitable at night. It pairs naturally with other antioxidants like vitamin C and resveratrol, and with soothing, barrier-supporting ingredients such as niacinamide. As with all botanical extracts, look at the full formula rather than the plant name alone, since concentration and formulation determine how much benefit you actually get. Consistent use supports its protective role.

Side effects

Edelweiss extract is generally gentle and well tolerated, with irritation being uncommon. As with any botanical, there is a small possibility of allergy or sensitivity in individuals prone to reacting to plant ingredients, so those with known botanical allergies should be a little more careful. Patch testing a new product for a few days is a sensible way to confirm your skin agrees with the extract and the rest of the formula before regular use.

Who should avoid it

Most people, including those with sensitive skin, tolerate edelweiss extract well. The main caution applies to anyone with known allergies to botanical or plant-derived ingredients, who should patch test first. Those wanting a strongly evidence-backed, high-potency antioxidant may prefer to pair edelweiss with better-studied actives rather than relying on the botanical alone. It is generally considered safe during pregnancy, though you can confirm with your doctor.

Frequently asked questions

What is edelweiss extract good for?

Edelweiss extract is used mainly as an antioxidant and soothing botanical, helping protect skin from environmental stress and calm sensitive or reactive skin.

Why is edelweiss used in skincare?

Edelweiss survives harsh, high-altitude alpine conditions by producing protective antioxidant compounds, and skincare uses these for their free-radical-scavenging and soothing benefits.

Is edelweiss extract good for sensitive skin?

Yes. It is gentle and soothing, making it well suited to sensitive and stressed skin, though those with plant allergies should patch test first.

Can I use edelweiss with vitamin C?

Yes. Edelweiss pairs naturally with antioxidants like vitamin C and resveratrol, together strengthening the skin's antioxidant defences against environmental stress.

Is edelweiss extract safe in pregnancy?

Topical edelweiss extract is generally considered safe during pregnancy and breastfeeding. Botanical extracts vary a lot between products, so if you have any doubt, ask your healthcare provider to look at the specific formula you plan to use.

Sources & further reading

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