Long-Lasting, Smudge-Proof Semi-Permanent Lipstick at LumiSKN Clinics Kettering Achieve beautifully defined, youthful lips with semi-permanent lipstick at LumiSKN Clinics Kettering. This long-lasting treatment enhances your natural lip color, shape, and fullness, providing a flawless, smudge-proof look that lasts 12-24 months. Whether you desire a subtle, natural tint or a more defined, lipstick-like finish, our specialists …