I had my first treatment for sun damage, freckles & redness. 2nd in 3 weeks. The session was 25 mins. The red light pulses did feel like a strong "rubber band" sting, but was tolerable. My concern is I DID NOT HAVE the 'sunburn effect', redness or ANY swelling after the procedure at all. Can this be a normal reaction? face felt comfortable all night. Will I see a noticeable difference on my face after 5 to 7 days? 24 hours later I see puffiness, enlarged pores and redness on my cheeks.