Aestura A-Cica 365 Blemish Calming Serum pH4.5 Review: Soothing Redness and Caring for Sensitive Skin

Hello!
Today, I'm excited to introduce the Aestura A-Cica 365 Blemish Calming Serum pH4.5 and share my personal experience after using it!
1. Aestura: A Trustworthy Derma Brand
Aestura is a derma cosmetic brand that even those with sensitive skin can trust and use! Aestura is Olive Young's No.1 derma brand, which gave me a lot of confidence.
2. The Real Cause of Redness in Sensitive Skin
My skin often gets red easily due to everyday habits. For example:
When the seasons change and my skin suddenly becomes dry
When I try new cosmetics
When I wear a mask for a long time
Each time, my skin quickly becomes red and sensitive.

I learned that sensitive skin becomes three times redder than normal skin because the skin's pH level is higher.
The ideal pH for healthy skin is pH4.5, but when the pH protective barrier collapses → the skin barrier is damaged → external stimuli penetrate the damaged barrier → redness easily occurs!
Therefore, improving the slightly acidic environment is key to caring for redness in sensitive skin.
3. A Solution for Sensitive Skin: pH4.5 CICA™
Aestura has intensively researched this sensitive redness and developed the pH4.5 CICA™ ingredient.
Zinc → Soothes sensitive skin
4X CICA → Improves damaged skin barrier
PHA → Improves the slightly acidic environment

Moreover, this serum is not only slightly acidic in its formulation, but it also maintains the skin's surface pH at a slightly acidic pH4.5 for 12 hours.
(Amorepacific's first technology!)
The clinical results were also amazing:
175% improvement in heat sensation care immediately after use
139% improvement in redness* the day after use
2.7% improvement in skin tone evenness after 7 days of use
4. My Experience After Using It Directly for 7 Days
This time, I used the A-Cica pH4.5 serum 7-day trial kit every day.
I felt that it was perfect as a redness serum, with a step up from the existing blemish-calming effect.
Before use

On the first day, when I applied it to my skin that felt hot, I immediately felt a cooling and soothing sensation.
The next morning, the redness was reduced, and my skin texture seemed to be improved.
Redness is reduced and radiance is a bonus!!!

After using it every day for 7 days, my skin became moisturized while reducing redness, so I felt very satisfied every time I looked in the mirror.
In particular, I experienced a definite effect in terms of sensitive skin's slightly acidic care and sensitive skin's redness relief.
I realized why so many people are looking for the "A-Cica Calming Serum."
5. Conclusion
A-Cica Blemish Serum + Redness Serum → Can care for blemishes and redness
Healthily improves the pH of sensitive skin with a slightly acidic serum
If you want to care for redness in sensitive skin, I highly recommend this calming serum!

I recommend it to these people:
Those with sensitive skin who often experience redness
Those who feel that their skin barrier is weakened due to an unbalanced skin pH
Those whose skin easily gets flushed due to seasonal changes or external stimuli (masks, heat, etc.)
Those who are looking for a slightly acidic serum
Those who want to soothe their skin tone while caring for blemishes
Those who want a more upgraded soothing effect than existing Cica serums









Thank you to everyone who visited my blog today.
Have a happy day!
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