6S Quality Process

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6S Quality Process

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We have developed our own standards for our development and manufacturing processes—we maintain quality, efficacy, and safety controls through each and every stage to ensure unsurpassed results that meet only the highest standards and comply with all relevant government requirements.  The key to this consistent quality in our products is what we call our 6S Quality Process. This process involves a set of rigorous, highly integrated activities and includes multiple layers of scientific testing and attention to detail. It requires consistent collaboration and a unified commitment to quality.

1. Selection

In order to be considered for use in NU SKIN products, materials will be tested for their effectiveness, suitability for formulation, and consumer safety. NU SKIN works with experts and raw material suppliers around the world to gather both historical and new scientific insights about the unique ingredients within our products.

2. Sourcing

Once a raw material selection is made, NU SKIN scientists investigate potential commercial sources that can guarantee availability, quality, and concentration of key ingredient components. NU SKIN evaluates these raw material sources to ensure quality and suitability for product formulation, and monitors active ingredient concentration when applicable.

3. Specification

NU SKIN selects what we believe are the safest compounds and highest quality ingredients to incorporate into our formulations. NU SKIN sets specifications to provide a basis for active compounds, ingredients, and criteria for finished products. These criteria help establish ingredient standards, and provide specific characteristics to guide consistent manufacturing. Where appropriate, NU SKIN products are carefully analyzed to not only identify the active components, but also to ensure consistency in manufacturing and product quality.

4. Standardization

NU SKIN raw materials must meet our specifications to certify their readiness for product manufacturing. When there are wide variations in active components of a natural or botanical ingredient, we select only those materials that provide the specified amount of these active constituents. Furthermore, our scientists strive to formulate products to contain ingredients at the concentration or strength that shown to be efficacious. Once manufactured, NU SKIN products are tested to meet their finished good specifications before they leave the manufacturer.

5. Safety

NU SKIN adheres to high product safety standards by reviewing scientific literature and conducting standard safety studies. NU SKIN conducts standard tests specific to nutritional and personal care products respectively. Examples of safety testing include testing for the presence of microbes, heavy metals, and other contaminants and determination of irritation and/or allergic reactions. Often, we confirm safety and validate our conclusions by using external testing groups.

6. Substantiation

NU SKIN takes great care to ensure that our products and ingredients are not only safe, but also effective. Each product claim is supported by scientific literature and/or research studies. For key products, we conduct documented clinical studies to determine product and ingredient efficacy and support product and ingredient claims.
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