Dia News
Skincare
Laser Toning Effects: Why You See Changes Starting from the 3rd Session
Laser toning provides a cumulative effect rather than a single treatment — the reason visual changes are observed starting from the third session is due to the melanosome degradation threshold. The 1064nm Q-switched Nd:YAG laser selectively destroys melanin in the epidermal layer, but repeated irradiation is essential to reach dermal pigments. The irradiation energy, cycle, and management methods for each KFDA-approved device account for 70% of the result deviation…
2026.04.29Views 5,205
Skincare
How Exactly Do Filler Effects Last? A Complete Analysis of Duration by Body Part
Even with the same hyaluronic acid filler, duration is 6–9 months for the lips and 12–18 months for the chin — determined by muscle movement and molecular bonding strength. The most efficient time for re-treatment is at the '70% mark before complete loss' — restoration is possible with a smaller amount because the underlying bone structure remains. There is an average gap of 3–5 months between the 12-month data based on KFDA approval standards and actual patient follow-up studies.
2026.04.28Views 5,342HOT
Skincare
Does using whitening cosmetics really make my skin whiter?
From niacinamide to glutathione, I asked a dermatologist directly. A comparison of 5 ingredients + morning/evening routines.
2026.04.12Views 5,263HOT