Lactic acid and collagen peptide
Keep them apart
Use lactic acid in the morning and collagen peptide at night, because the acid is too harsh for the peptide. The acidic product breaks down the peptide and stops it from working properly. You can avoid this by using them at different times of day.
Lactic acid products
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Medicube
Zero Pore Pad
S$36.48
- First Aid Beauty KP Bump Eraser Body Scrub
- EltaMD UV Clear Broad-Spectrum SPF 46
- First Aid Beauty Facial Radiance Pads
-
CeraVe
SA Lotion for Rough & Bumpy Skin
S$31.36
- CeraVe Renewing SA Cream
-
The Ordinary
Alpha Arbutin 2% + HA
S$30.01
- The Ordinary Retinal 0.2% Emulsion
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Kate Somerville
ExfoliKate Intensive Exfoliating Treatment
S$119.69
-
Dr. Dennis Gross
Alpha Beta Universal Daily Peel
S$141.06
- The Ordinary Lactic Acid 5% + HA
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Good Molecules
Overnight Exfoliating Treatment
S$43.99
Collagen peptide products
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SkinMedica
TNS Advanced+ Serum
S$451.54
- Hero Mighty Patch
- The INKEY List Collagen Peptide Serum
- Olay Regenerist Collagen Peptide 24 Serum
- No7 Pure Retinol 1% Night Concentrate
-
No7
Protect & Perfect Intense Advanced Night Cream
S$37.96
-
Olay
Regenerist Collagen Peptide 24 MAX Face Moisturizer
S$58.14
- No.7 Pure Retinol 0.3% Night Concentrate
- Olay Collagen Peptide 24 Eye Cream
Questions and answers
Can you use lactic acid and collagen peptide together?
No, you should keep lactic acid and collagen peptide apart in your routine because the low pH of lactic acid may break down peptide bonds and reduce their effectiveness. Use them in separate steps or routines, such as applying one in the morning and the other at night.
Which goes first, lactic acid or collagen peptide?
Keep lactic acid and collagen peptide apart in your routine because the low pH of the acid can break down the peptide and reduce its effectiveness. Instead, use them in separate steps or different routines, such as applying one in the morning and the other at night.
Are lactic acid and collagen peptide good for sensitive skin?
Lactic acid and collagen peptide should be kept apart in your routine because the low pH of the acid may destabilize the peptides. Use them in separate steps or routines to protect sensitive skin.
Research on lactic acid and collagen peptide
Behind this pairing advice
Lovi checks every pairing with brand-independent rules our dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update.
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Co-founder, Medical Director
Cosmetic chemist, cosmetologist, aesthetic products developer
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Co-founder, CEO and CTO
PhD in computer science, 3x US patent holder, ex-Google, ex-Yandex
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Dr. Sof铆a Perea P茅rez, MD, MSc
Medical Board
Aesthetic medicine practitioner, MSc in Longevity and Anti-Aging Medicine
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Medical Board
Specialist dermatologist, MBBS, MD, IFAAD
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Medical Board
Cosmetic chemist, SCS, IFSCC member
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Medical Board, Medical Advisor
Dermatology MD
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Elina Nazarenko, MD
Medical Board
Dermatology and diagnostic consultant
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Victoria Derkova, MS
Medical Board
Cosmetic chemist, cosmetic development technologist
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