By Dearbail Jordan
Business reporter, BBC News
"Green" claims made successful advertizing for household basics, specified arsenic washing-up liquid, are to beryllium scrutinised to spot if they are misleading.
The Competition and Markets Authority (CMA) said it is acrophobic consumers are "paying a premium for products that aren't what they seem".
It volition analyse the accuracy of biology claims connected goods specified arsenic cleaning products and toiletries.
CMA brag Sarah Cardell said she is acrophobic companies are "greenwashing".
This is erstwhile a steadfast exaggerates its biology credentials for selling purposes.
"As much radical than ever effort to bash their spot to assistance support the environment, we're acrophobic galore shoppers are being misled and perchance adjacent paying a premium for products that aren't what they seem, particularly astatine a clip erstwhile the outgo of surviving continues to rise," Ms Cardell said.
She said it would beryllium looking astatine some large and tiny firms' products to spot if the biology claims they made were true.
The probe volition besides look into the accuracy of greenish claims made astir nutrient and drink. The CMA said past twelvemonth shoppers spent £130bn connected household essentials.
It said "a important number" of household products are marketed arsenic greenish oregon environmentally friendly, including astir each dishwashing items and toilet products.
The watchdog said it is disquieted astir a fig of areas including products that usage "vague and broad" statements specified arsenic claiming packaging is sustainable oregon "better for the environment" with nary evidence.
It volition besides look astatine claims implicit the usage of recycled oregon earthy materials successful products, arsenic good arsenic whether full ranges are being incorrectly branded arsenic "sustainable".