At Cutest, we use a variety of instruments to measure moisturisation and barrier function including Corneometer, Tewameter and Sebumeter. These bio-engineering instruments help us to measure trans epidermal water loss (TEWL) and sebum and hydration levels over pre-determined timepoints during studies. These can help support claims including:
Skin is moisturised with regular use.
Moisturises for 12 or 24 hours.
Restores skin barrier making it more resistant to damage.
Improves skin barrier of sensitive or eczema prone skin.
At Cutest we run a wide range of moisturisation studies, which can be carried out on the face, arm, or leg. We can measure the changes in trans epidermal water loss and hydration on the skin before and after the product is applied, to evaluate whether the claim is substantiated for the product.
Corneometer in use
We also run moisturisation studies on the lip. The corneometer is one of the pieces of equipment we would use in this type of study. The corneometer is used to measure skin hydration and can detect even the smallest changes in hydration level. The probe is small and lightweight so it's great for use on different sized sites. It is an ideal instrument for formulation and claim support for a range of skincare products. The probe head allows constant pressure, creating reproducible measurements. This device in particular was actually used to determine the state of the skin of astronauts aboard the international space station.
Typical claims include: hydrating, repairing, supports healing, soothing.
Hydrating ingredients in skin care products attract water to the furthest outer layer of the skin, whilst moisturising ingredients lubricate the skin to prevent water from escaping.
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