@ibrahim_alguero1: Vas-tu accepter ? #creatorsearchinsights #francetiktok🇫🇷 #viralvideo #fyp #pourtoi

ibrahim_alguero
ibrahim_alguero
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Friday 04 September 2026 12:06:04 GMT
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benjamin_ps3
🄱🄴🄽🄹🄰🄼🄸🄽 :
j'accepte sans hésiter
2026-09-04 12:10:25
3
fankiminitodoke
grossefankiminitodoke2 :
ok😋😋😋
2026-09-04 14:07:31
0
vickyfle0
user8145276703178 :
c'est les belles mères que je cherche même
2026-09-04 15:45:10
0
flora.st.louis
Flora St Louis :
de qui ?
2026-09-05 14:13:01
0
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Tretinoin is incredible, but the goal is not to see how much irritation your skin can tolerate. Vitamin A works by communicating with receptors inside your skin cells and influencing gene expression. It helps regulate how keratinocytes grow and differentiate, normalizes cell turnover, supports more organized pigmentation, and over time stimulates pathways involved in collagen production. And this is important: those cellular signals do not just disappear the second you wash your face the next morning. Research has shown retinoic acid induced changes in gene activity over 24, 48 and even 72 hour study periods. So no, you do not necessarily need the strongest tretinoin every single night to get beautiful results. One study compared 0.025% tretinoin with 0.1% tretinoin for 48 weeks. Both concentrations produced similar improvements in photoaging and almost identical increases in epidermal thickness, while the stronger 0.1% caused significantly more irritation. That is why I care much more about the vitamin A you can actually use consistently than giving everyone the strongest prescription possible. If you are starting tretinoin, I usually like something like Monday, Wednesday, Friday. Give your skin 6 to 8 weeks to acclimate before deciding you need to increase the frequency. If your skin is calm, your barrier is healthy and you are tolerating it beautifully, then you can slowly work toward more nights. Your skin does have to adapt to vitamin A. Some dryness, flaking or mild irritation can happen initially, but constantly pushing your skin into inflammation is not the goal. And the results take TIME. Studies on tretinoin have documented increased epidermal thickness, improved pigmentation and texture, and increased collagen production with continued use. Some of the most meaningful collagen changes are measured over many months, not a few weeks. Vitamin A is a long game. The best retinoid is not necessarily the strongest one. It is the one your skin can tolerate well enough for you to keep using it consistently for years.
Tretinoin is incredible, but the goal is not to see how much irritation your skin can tolerate. Vitamin A works by communicating with receptors inside your skin cells and influencing gene expression. It helps regulate how keratinocytes grow and differentiate, normalizes cell turnover, supports more organized pigmentation, and over time stimulates pathways involved in collagen production. And this is important: those cellular signals do not just disappear the second you wash your face the next morning. Research has shown retinoic acid induced changes in gene activity over 24, 48 and even 72 hour study periods. So no, you do not necessarily need the strongest tretinoin every single night to get beautiful results. One study compared 0.025% tretinoin with 0.1% tretinoin for 48 weeks. Both concentrations produced similar improvements in photoaging and almost identical increases in epidermal thickness, while the stronger 0.1% caused significantly more irritation. That is why I care much more about the vitamin A you can actually use consistently than giving everyone the strongest prescription possible. If you are starting tretinoin, I usually like something like Monday, Wednesday, Friday. Give your skin 6 to 8 weeks to acclimate before deciding you need to increase the frequency. If your skin is calm, your barrier is healthy and you are tolerating it beautifully, then you can slowly work toward more nights. Your skin does have to adapt to vitamin A. Some dryness, flaking or mild irritation can happen initially, but constantly pushing your skin into inflammation is not the goal. And the results take TIME. Studies on tretinoin have documented increased epidermal thickness, improved pigmentation and texture, and increased collagen production with continued use. Some of the most meaningful collagen changes are measured over many months, not a few weeks. Vitamin A is a long game. The best retinoid is not necessarily the strongest one. It is the one your skin can tolerate well enough for you to keep using it consistently for years.

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