Clinical-grade. Medical-grade. Professional strength. Dermatologist-developed. Cosmeceutical.
Not one of those has a legal definition in Australia. Any brand can print any of them on any product tomorrow.
Why they exist
They exist because they sound like the regulated terms without being the regulated terms. That's the whole trick. Your brain hears "clinical" and fills in a laboratory, a trial, an approval process. None of that is being claimed, which is precisely why the word is safe for the brand to use.
"Dermatologist-developed" is the sharpest example. It can mean a dermatologist was consulted once. It doesn't mean tested, approved, or recommended.
What does mean something
A short list, and it's worth knowing because it's the whole difference between marketing and substance.
An AUST L or AUST R number. This means the product is on the Australian Register of Therapeutic Goods. Sunscreens sold as sunscreens carry one. It represents real work, real evidence and real cost.
AS/NZS 2604. The Australian sunscreen standard. If a sunscreen claims SPF 50+, this is the standard it was tested against.
AS/NZS 4399. The sun-protective clothing standard, which is what a genuine UPF rating on a garment refers to.
Certified organic, with a certifier named. ACO, COSMOS, USDA. "Organic" on its own with no certifier is a word, not a certification.
Everything else is copywriting.
How to read a product page in ten seconds
Look for a number or a named standard. If a claim has one, it means something. If it's an adjective, it doesn't.
"Clinically proven" with no study named is an adjective. "SPF 50+ tested to AS/NZS 2604" is a number.
Our own position
We used to have "clinical-grade" on one of our own product pages, for a device we no longer sell. It's gone, because we couldn't back it and we'd rather not be the brand doing that.
Everything we sell now is described by what it is and what using it is like. It's less exciting. It's also true, which turns out to matter more than we expected when we started writing it.
General information, not legal or medical advice.