The package is the best place to communicate — for almost half of shoppers.
When consumers look for information about eco-friendly products, no single source dominates — but the channel mix shifts sharply by generation. Overall, product packaging and labels top the list (42%), followed by internet search including AI platforms and YouTube (36%), and word of mouth (29%).
The generational split is striking. Younger consumers rely heavily on social media and search: 46% of Gen Z and 37% of Millennials turn to social platforms — compared with just 8% of Boomers. Internet search follows a similar pattern, cited by 41% of Gen Z and 42% of Millennials versus 28% of Boomers. Older consumers, by contrast, lean on product packaging (52% of Boomers) and traditional news media (34%) — channels they already trust and encounter in their normal routines.
On social media, authenticity beats advertising every time.
For the slightly over one in four consumers who do turn to social media, trustworthiness is earned through specificity and transparency, not polish. Detailed product reviews (41%), before/after results (38%), long-term usage updates (38%), real user demonstrations (38%) all rank well ahead of sponsored or celebrity-driven content. Notably, Boomers who use social media for eco-product information are the most demanding: 53% want detailed reviews and 41% want negative reviews included.
The takeaway for brands is a channel-and-format pairing problem. Reaching Gen Z means being findable on social and search, with authentic user content that shows real results over time. Reaching Boomers means the package itself has to carry the story — clearly and credibly — because that's where they're most likely to look.
What's the Takeaway?
Eco-friendly product discovery is not one conversation — it's several, happening in different places for different generations. Brands that map their content format to their audience's actual channel habits will close more of the intention-to-purchase gap than those broadcasting the same message everywhere.