Here are Philippine apps and online marketplaces where you can reliably find eco‑friendly / sustainable clothing (local slow‑fashion brands, upcycled or organic pieces, and preloved items):

• Zalora (app): large fashion app in the Philippines with a Sustainability section and branded “sustainable” / TENCEL etc. collections — good for both international labels and local sustainable lines. (zalora.com.ph)

• Lazada (app): runs sustainability campaigns (e.g., LazEarth / Easy Green) and highlights eco‑friendly products and brand partners on the platform. Useful for finding certified/green items from mainstream brands and smaller sellers. (unilever.com.ph)

• Shopee (app): marketplace frequently runs “Shop Green” / eco sales and carries organic‑cotton / recycled items and sustainable lines from brands and retailers. (8list.ph)

• Carousell (app): the Philippines’ biggest secondhand/preloved marketplace — excellent for thrifted and vintage clothing (strong sustainability impact through reuse). (m.carousell.ph)

• Frankie & Friends / Frankie General Store (online marketplace and mall concessions): curated slow‑fashion marketplace that carries many Filipino sustainable and artisan brands (website/mobile friendly). Good for locally made, small‑batch pieces. (frankiegeneralstore.com)

• Rags2Riches (site / shop): a Filipino social enterprise that sells upcycled, artisan‑made bags and clothing — they sell directly online and through partner retailers/platforms. (rags2riches.ph)

Notes and tips for searching in these apps

• Search keywords: sustainable, eco‑friendly, organic cotton, TENCEL, upcycled, deadstock, slow fashion, preloved, vintage, conscious.
• Use filters and brand/store pages (many large apps tag or curate “green” or “sustainable” collections). (zalora.com.ph)
• For the strongest sustainability signals, prefer: certified materials (GOTS, OEKO‑TEX, TENCEL), clear brand transparency (materials + production), artisan/upcycled makers, or secondhand listings. (vogue.ph)

If you want, I can:

• Find specific sustainable brands on each app (e.g., organic‑cotton tees on Shopee, TENCEL items on Zalora), or
• Search for a particular type (women’s tops, kids’ clothing, bags) and show direct listings available right now.