Study on Common Heir's Retinol Serum by Citruslabs
Claim 1
96% said they’d recommend it to a friend
Claim 2
82% of the participants saw an improvement in hyperpigmentation
Claim 3
79% saw an improvement in their dark spots, skin clarity, and wrinkles
About
Common Heir - Retinol
Common Heir believes the most coveted skincare could also be kind to the environment and good to the community who loves it. Angela Ubias and Cary Lin founded Common Heir in 2020 for people looking to cultivate beauty in the world. They transform your traditions with clean, plastic-free, high-performance skincare.
What is the retinol serum?
Retinol Serum comes in plastic-free packaging. The formula is designed with Vitamin A and boosted by smoothing botanicals that detox and repair skin, while squalane and algae oil nourish for clinically-proven results without irritation.
Study design for
Common Heir - Retinol
The retinol serum was tested with a six week clinical study, with a skin acclimation period at the start. The serum was then tested nightly by all partipants, allowing Common Heir to collect data about user's experiences and skin changes with extended use.
Study results for
Common Heir - Retinol
In a six-week study with subjects aged 18-55, 82% of the participants saw an improvement in hyperpigmentation and 96% said they’d recommend it to a friend.
Benefits of Clinical Research
Without clinical evidence, it can be difficult for consumers to trust that product claims accurately present a formula's benefits. In the case of Common Heir, it is espescially vital for skincare products to have clinical backing, as claims within the industry can often be vague or overstated. Clinical support enables skincare brands to maintain regulatory approval and consumer loyalty.
