It is a UV filter widely used in sunscreens and personal care formulations. It is comprised of 98% Homosalate, a chemical compound that absorbs UVB radiation helping to protect skin from sun damage.
What is the primary function of LumiShield™ H (Homosalate 98%) in formulations?
Its primary function is to act as a UVB filter, offering sun protection by absorbing harmful UV radiation. This helps prevent skin damage caused by prolonged sun exposure, such as burns and premature aging.
Is LumiShield™ H suitable for broad-spectrum protection?
It provides protection primarily against UVB rays. To achieve broad-spectrum coverage (both UVA and UVB protection), it is recommended to combine it with other UV filters like Avobenzone.
What cosmetic products are best suited for LumiShield™ H (Homosalate 98%)?
It is ideal for sunscreens, daily moisturizers with SPF, lotions, creams, and other sun care products. It can also be used in cosmetics like foundations with added sun protection.
Are there any compatibility issues with LumiShield™ H in formulations?
It is compatible with most oils and emulsifiers commonly used in personal care formulations. However, it is advisable to check the compatibility with other UV filters and antioxidants to ensure efficacy and stability.
Does LumiShield™ H (Homosalate 98%) affect the sensory properties of formulations?
It is oil-soluble and may contribute to a smooth, non-greasy feel in emulsions and anhydrous formulations, enhancing the overall sensory experience.
How does LumiShield™ H affect the SPF rating of a product?
The inclusion of it in a formulation significantly increases its SPF rating, as it efficiently absorbs UVB radiation. The overall SPF will depend on its concentration and combination with other UV filters.
What is the photostability of LumiShield™ H (Homosalate 98%)?
It is not highly photostable on its own. It is often combined with stabilizers or other UV filters like Octocrylene to maintain effectiveness during sun exposure.
Can LumiShield™ H (Homosalate 98%) be used in combination with natural ingredients?
Yes, it can be formulated with natural oils, but compatibility testing is advised to ensure it maintains efficacy and stability in combination with natural actives.
Does LumiShield™ H (Homosalate 98%) contribute to skin irritation?
It is generally well-tolerated. However, it is recommended to perform dermatological testing, particularly for sensitive skin products, to assess potential irritant effects.