How to Build a pH-Optimized Skincare Routine with Tips from Marisa Arredondo

 If you’ve ever felt like your skincare products are making your skin worse instead of better, you’re not alone. According to Marisa Vara Arredondo, founder of Phace Bioactive, one of the most overlooked reasons for skin issues is an unbalanced pH level. Marisa’s battle with acne and sensitivity led her to create a line of pH-optimized skincare, and now she’s sharing her expert tips on how to build a routine that supports your skin’s health.




Why pH Balance Matters

Your skin naturally has a slightly acidic pH—usually between 4.5 and 5.5. This acidity forms a protective barrier called the acid mantle, which keeps moisture in and harmful bacteria out. But many common skincare products (especially harsh cleansers or scrubs) are too alkaline, meaning they raise the skin’s pH. This can cause dryness, irritation, breakouts, and even accelerate aging. Marisa emphasizes that keeping your skincare routine pH-balanced helps maintain the skin’s natural defenses and leads to clearer, calmer, and healthier skin over time.


Step-by-Step: A pH-Optimized Skincare Routine

Here’s how to build a routine that supports your skin’s natural pH, using tips inspired by Marisa Arredondo’s science-backed approach.


1. Use a Gentle, pH-Balanced Cleanser

Start with a cleanser that has a pH close to your skin’s natural level (around 5). This prevents the skin from becoming too dry or stripped of its protective oils.

Tip from Marisa: Avoid foaming cleansers with sulfates—they’re usually too harsh and can raise your skin’s pH.


2. Incorporate a pH-Optimized Toner (Optional)

A good toner can help restore the skin’s pH after cleansing, especially if you use makeup or wear SPF daily. Look for alcohol-free formulas with soothing ingredients like aloe vera or chamomile.

Tip from Marisa: You don’t need a harsh astringent—your toner should refresh, not sting.


3. Apply Targeted Treatments (Like Serums)

Now that your skin is clean and balanced, it’s time to apply treatment products like serums. Choose formulas designed for your skin concerns—like vitamin C for brightening or hyaluronic acid for hydration—but make sure they’re pH-compatible and gentle.

Tip from Marisa: When in doubt, patch test a new product to ensure it doesn’t disrupt your skin’s balance.


4. Moisturize to Support the Skin Barrier

Use a moisturizer that locks in hydration and supports the skin barrier. Look for ceramides, peptides, or antioxidants, and make sure it’s free of irritating ingredients like synthetic fragrance or dyes.

Tip from Marisa: Moisturizers don’t need to feel heavy to be effective—light, nourishing formulas work best with the skin’s natural rhythm.


5. Finish with SPF in the Morning

Sun protection is essential for healthy skin. Use a broad-spectrum SPF of 30 or higher, and choose a formula that won’t clog pores or irritate sensitive skin.

Tip from Marisa: Sunscreen should be a daily habit, rain or shine—it helps protect the acid mantle and prevents premature aging.


Final Thoughts

Creating a pH-optimized skincare routine isn’t about using more products—it’s about using the right ones. Marisa Arredondo’s approach with Phace Bioactive focuses on science, balance, and clean ingredients that support your skin's natural function. By choosing products that work with your skin’s pH—not against it—you can reduce irritation, prevent breakouts, and enjoy healthier, more radiant skin every day.

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