Strie — ty pruhované čáry na kůži způsobené rychlým natahováním v důsledku růstu, přibírání na váze, nebo těhotenství – může postihnout kohokoli. I když nejsou škodlivé, mnoho lidí hledá způsoby, jak snížit svůj vzhled. One increasingly popular solution is terapie červeným světlem (RLT). Ale opravdu to funguje?
Understanding Stretch Marks
Strie (pruhy) occur when the skin is stretched faster than it can repair itself. This causes the collagen and elastin fibers in the dermis to rupture, leaving behind scars that start off red or purple and fade to white over time.
There are two types:
- Striae rubrae – newer, reddish stretch marks.
- Striae albae – older, white or silvery stretch marks.
Jak funguje terapie červeným světlem
Terapie červeným světlem využívá specifické vlnové délky červeného a blízkého infračerveného světla (typicky 630-850 nm) proniká do pokožky a stimuluje buněčnou aktivitu. Here’s how it may help with stretch marks:
✅ Boosts Collagen and Elastin Production
RLT stimulates fibroblasts — the cells that produce collagen and elastin. Increased collagen helps repair damaged dermal tissue and improve skin firmness, reducing the visibility of stretch marks over time.
✅ Improves Skin Texture and Tone
Red light therapy enhances blood flow and cell turnover, which can smooth the skin’s surface and help fade discoloration associated with newer stretch marks.
✅ Reduces Inflammation
For red or inflamed stretch marks, red light therapy can help calm the skin, reducing irritation and promoting faster recovery.
What Do the Studies Say?
While direct research on red light therapy for stretch marks is still limited, studies on red light’s effects on produkci kolagenu, omlazení pleti, a scar healing are promising:
- A 2014 study published in Semináře z kožní medicíny a chirurgie highlighted red light’s ability to stimulate dermal remodeling.
- Another clinical trial found that red light improved skin elasticity and smoothness in women after pregnancy.
These findings suggest that red light therapy can be especially helpful for early-stage (červená nebo fialová) strie, though it may also improve the appearance of older marks over time.
Treatment Tips
To get the best results from red light therapy for stretch marks:
- Použijte a medical-grade red light device with wavelengths between 630-850 nm.
- Apply the light to the affected area 3– 5x týdně, pro 10– 20 minut na relaci.
- Combine with other skin-supporting treatments, jako např zvlhčovače, retinoids, or microneedling (under professional guidance).
Je to bezpečné?
Ano. Red light therapy is non-invasive, bezbolestný, and safe for most skin types. It does not cause skin damage or burns like UV light.
Závěrečné myšlenky
Red light therapy may not completely erase stretch marks, but it can significantly reduce their appearance — especially when used consistently over time. By boosting collagen, zlepšení tónu pleti, and supporting the body’s natural repair processes, RLT offers a gentle, effective solution for those looking to improve their skin’s look and feel.
