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Round Lab

Latest three-month snapshot through 2026-08-06 · 2 waves. Use the controls above to change the window.

6%share of voice · 11 of 180 recommendation answers
0%named first in recommendation answers
95%positive tone · 20 of 21 coded mentions

Sunscreen · 2 waves · n=180 answers, pooled

By model

How often each model brings the brand up in recommendation answers.

modelshare of voiceanswers
ChatGPT0%0 of 60
Claude13%8 of 60
Gemini5%3 of 60

Share of recommendations over time

Wave-by-wave share of recommendation answers that named this brand.

waveshare of voiceanswerschange
2026-07-316%5 of 90
2026-08-067%6 of 90+1 points

What they call it

Recurring descriptions in the models' own words, grouped by theme.

In their words

21 exact quoted mentions in this snapshot, grouped by coded tone. Recent quotes are deduplicated and mixed across models.

What they recommend

“Korean and Japanese sunscreens (like *Beauty of Joseon Relief Sun*, *Round Lab Birch Juice*, or *Isntree Watery Sun Gel*) are massive favorites in the skincare community. They are incredibly lightweight, feel like high-end moisturizers, use”
Gemini · 2026-08-06 · Sunscreen
“Korean sunscreens are world-renowned for their cosmetic elegance. These formulas feel exactly like a lightweight moisturizer. There is absolutely zero white cast, no greasy residue, and no "sunscreen smell". They leave the skin with a healt”
Gemini · 2026-08-06 · Sunscreen
“For those preferring mineral formulas, this Korean sunscreen is a top overall pick among 100 tested face sunscreens and a great choice for anyone prone to breakouts, and it doesn't leave a white cast regardless of skin tone.”
Claude · 2026-08-06 · Sunscreen
“ROUND LAB's Birch Juice Moisturizing Sunscreen is fragrance-free, reef-safe, and gentle for sensitive skin, offering a dewier, glowy finish with high SPF protection”
Claude · 2026-08-06 · Sunscreen
“Gentle, low-fuss daily cleansers—good if the BOJ cleanser's appeal is that it cleans without leaving your skin tight.”
ChatGPT · 2026-08-06 · Sunscreen

Where they hedge

“In South Korea, it is actually not as widely used domestically as other brands like *Round Lab*, *Torriden*, or *Skin1004*.”
Gemini · 2026-08-06 · Sunscreen

The substitution map

Which competitors models suggest when shoppers ask for something cheaper.

Round Lab suggested as the cheaper alternative to
  • beauty of joseon ×3
  • neutrogena ×1

Where this comes from

2 of 21 mentions appear alongside an identifiable web citation. Citation does not establish causation.

cited sourcementions
katiecouric.com1
nextbest.one1

Where they send you

Stores and sites models name as places to buy this brand.

retailermentions
Korean beauty stores1
StyleVana1
YesStyle1

Method: fixed shopper questions asked repeatedly to Claude, OpenAI GPT and Gemini with web search on. Shares are the percentage of recommendation answers mentioning the brand. Quotes are AI outputs; full transcripts are kept as receipts.