Fizzy drink aimed at erasing dark spots put to the test

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * 1\) Age: 21 to 55 years (both inclusive) at the time of consent. 2) Sex: Adult male and female having facial hyperpigmentation and dark spots such as tan, pimple marks, sunspots, age spots, uneven skin tone on both side of face. 3\) Females of childbearing potential should have a self-reported negative urine pregnancy test at the time of screening visit. 4\) Subjects with Fitzpatrick Skin Types III to VI, indicating moderate to dark skin tones. 5\) Subjects should not have used any cosmetic, nutraceutical or therapeutic products for skin ageing in last 3 months. 6\) Subjects must be willing to stop using any cosmetics or any medical products for skin ageing for the duration of the study. 7\) Subjects are not allowed to participate in any other study until this study is complete. 8\) Subjects must be willing and able to follow the study directions and to return for all specified visits with the product. 9\) Subjects must agree to record each use of the test products in the subject's diary card on daily basis. 10\) Subjects must agree to record medication use during the study Exclusion Criteria: * 1\) Subjects who are on steroids for last six months. 2) Subjects who have used any cosmetic, nutraceutical or therapeutic products for skin last three months. 3\) Subjects who are on product which contains kojic acid, glycolic acid, niacinamide, alpha arbutin, Vitamin C and other skin ageing product. 4\) Subjects with other dermatologic diseases whose presence or products could interfere with the assessment of study. 5\) Subjects that are pregnant and/or breastfeeding. 6) The subject has a known allergy or sensitivity to product ingredients. 7) Subjects if do not agree to limit sun exposure to affected areas such as face during prolonged sun exposure. 8\) The subject has any other skin conditions i.e. cuts, scratches, ring worms, etc. which in the opinion of the Investigator, will interfere with the study results or will create undue risk for the subject. 9\) The subject has any of the conditions or factors that the Investigator believes may affect the response of the skin or the interpretation of the test results. 10\) The subject is currently taking or has taken any medication, which the Investigator believes may influence the interpretation of the data. 11\) Any other condition which could warrant exclusion from the study, as per the dermatologist's/investigator's discretion.