Evaluation of Cutaneous Acceptability and Perceived Effectiveness of a Nasal Spray (Health Care Products)

Inclusion criteria

• Phototype (Fitzpatrick): I to VI.
• User of the same product category.
• Have intact skin in the study region.
• Agree to adhere to the study procedures and requirements: study time, returns (after 28 days) to the laboratory to perform the study procedures, home use of the investigational product, filling in the use diary, not changing facial cosmetic habits during the period of study.
• Agree not to perform facial aesthetic dermatological treatments until the end of the study (28 days), such as: peelings, laser, fillers, use of any facial cosmetics.
• Agree to adhere to the requirements of the study in the fight against the COVID-19 pandemic, through preventive measures: use a mask according to WHO guidelines; use the mask while traveling to the research center and during the study procedures; maintain social distancing; wash hands frequently with soap and/or alcohol gel and go to the research center only at scheduled times to avoid agglomerations.
• Signing of the Free and Informed Consent Term (FICT).

Exclusion criteria

• Pregnant or lactating women.
• Skin tags in the experimental area that interfere in the assessment of possible skin reactions (pigmentation disorders, vascular malformations, scars, increased hairiness, large amounts of freckles and warts, sunburn).
• Presence of active dermatoses or skin lesions (local and/or disseminated) in the study region.
• Carriers of corneal ulcerations, keratoconus, blepharitis, meibomitis, pterygium, chemosis, hyperemia or other active eye diseases of moderate or severe intensity.
• History of ineffectiveness, allergic reactions, irritation or intense discomfort sensation to topical products: cosmetics or medicines.
• Expected vaccination during the study or up to 3 weeks before the study;
• History of pathologies aggravated or triggered by ultraviolet radiation.
• Use of non-steroidal anti-inflammatory drugs, corticosteroids, antihistamines, photosensitizers or immunosuppressants up to 2 weeks before the study.
• Facial aesthetic or dermatological treatment up to 4 weeks before the study.
• Hormonal treatments not stable in the last 3 months.
• Hyperpigmentation associated with the use of drugs such as tetracycline, phenothiazides, or amiodarone.
• Hyperpigmentation associated with photosensitivity.
• Actinic lichen planus;
• People directly involved in carrying out this study and their families.
• Be participating in another study.
• History of non-adherence or unwillingness to adhere to the study protocol.
• Intense sun exposure or tanning session up to 15 days before the initial assessment;
• Any condition not mentioned above that, in the opinion of the investigator, could compromise the evaluation of the study.