The Braun All-in-One Style Kit Series 7 MGK7491 is a versatile grooming set that includes a beard trimmer, hair clippers, body groomer, and more. It features a Precision Wheel with 40 length settings and Braun's sharpest ProBlade. The trimmer has a 100-minute cordless runtime and is 100% waterproof. The kit meets various grooming needs, including trimming, detailing, fading, and precision shaving. It also comes with beard and hair combs for different lengths. The trimmer is designed for effortless grooming and is suitable for all hair types, lengths, and thicknesses. The set includes a ProBlade trimmer head, body groomer head, precision beard and hair combs, and is rechargeable with a 100-minute cordless runtime. The product has received positive reviews for its quality and performance, with users praising its sharp blades, versatility, and ease of use. However, specific details about the ingredients or materials used in the product are not available in the provided search results.