# Mandelic acid and theanine

Page: https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-theanine

The Lovi Fit is the same in every country; only the stores and prices differ, and the ones here are for the United Kingdom.

Work well together

Use them together in the same routine, applying the [mandelic acid](https://lovi.care/skincare/uk/ingredients/mandelic-acid) first and the [theanine](https://lovi.care/skincare/uk/ingredients/theanine) after, because they balance moisture levels. Mandelic acid gently renews the skin surface while theanine helps lock in essential hydration so the skin stays comfortable and plump. If you feel any mild dryness, you can switch to using them on alternate nights or look for a gentler product strength.

- [All about mandelic acid](https://lovi.care/skincare/uk/ingredients/mandelic-acid)
- [All about theanine](https://lovi.care/skincare/uk/ingredients/theanine)

### [Mandelic acid](https://lovi.care/skincare/uk/ingredients/mandelic-acid) products

- [The Ordinary Mandelic Acid 10% + HA](https://lovi.care/skincare/uk/p/the-ordinary/mandelic-acid-10-ha/for/acne-prone-skin) — Superior fit — [£5.92 at Amazon](https://www.amazon.co.uk/dp/B07BGJMNYL?tag=lovi-care-web-product-21&linkCode=osi&th=1&psc=1)
- [Nécessaire The Body Retinol](https://lovi.care/skincare/uk/p/necessaire/the-body-retinol/for/dark-spots) — Average fit
- [Good Molecules Mandelic Acid Serum](https://lovi.care/skincare/uk/p/good-molecules/mandelic-acid-serum/for/dry-sensitive-skin) — Superior fit
- [Glamglow Supermud Clearing Treatment](https://lovi.care/skincare/uk/p/glamglow/supermud-clearing-treatment/for/oily-skin) — High fit — [£88.88 at Amazon](https://www.amazon.co.uk/dp/B07DHSKYXR?tag=lovi-care-web-product-21&linkCode=osi&th=1&psc=1)
- [Dermalogica PowerBright Dark Spot Peel](https://lovi.care/skincare/uk/p/dermalogica/powerbright-dark-spot-peel/for/oily-skin) — Average fit
- [Sofie Pavitt Face Mandelic Clearing Serum](https://lovi.care/skincare/uk/p/sofie-pavitt-face/mandelic-clearing-serum/for/oily-acne-prone-skin) — High fit
- [Cetaphil Gentle Exfoliating SA Lotion](https://lovi.care/skincare/uk/p/cetaphil/gentle-exfoliating-sa-lotion/for/combination-skin) — High fit — [£13.99 at Amazon](https://www.amazon.co.uk/dp/B0F43XRN4G?tag=lovi-care-web-product-21&linkCode=osi&th=1&psc=1)
- [SkinCeuticals Cell Cycle Catalyst](https://lovi.care/skincare/uk/p/skinceuticals/cell-cycle-catalyst/for/oily-acne-prone-skin) — Average fit
- [DIME TBT Serum](https://lovi.care/skincare/uk/p/dime/tbt-serum/for/dry-sensitive-skin) — High fit
- [By Wishtrend Mandelic Acid 5% Skin Prep Water](https://lovi.care/skincare/uk/p/by-wishtrend/mandelic-acid-5-skin-prep-water/for/acne-prone-skin) — High fit — [£18.99 at Amazon](https://www.amazon.co.uk/dp/B087B7ZK1D?tag=lovi-care-web-product-21&linkCode=osi&th=1&psc=1)
- [Haruharu Wonder Black Rice Triple AHA Gentle Cleansing Gel](https://lovi.care/skincare/uk/p/haruharu-wonder/black-rice-triple-aha-gentle-cleansing-gel/for/oily-acne-prone-skin) — High fit — [£13.45 at Amazon](https://www.amazon.co.uk/dp/B0CKVL9PGY?tag=lovi-care-web-product-21&linkCode=osi&th=1&psc=1)
- [Neutrogena Bright Boost Gel Cream](https://lovi.care/skincare/uk/p/neutrogena/bright-boost-gel-cream/for/acne-prone-skin) — High fit

### [Theanine](https://lovi.care/skincare/uk/ingredients/theanine) products

- [Shiseido Treatment Softener](https://lovi.care/skincare/uk/p/shiseido/treatment-softener/for/oily-skin) — High fit
- [Clé de Peau Beauté Hydro-Clarifying Lotion](https://lovi.care/skincare/uk/p/cle-de-peau-beaute/hydro-clarifying-lotion/for/sensitive-skin) — Superior fit — [£88.00 at Lookfantastic](https://www.lookfantastic.com/p/cle-de-peau-beaute-hydro-clarifying-essence-lotion-170ml/17380055/)

## Questions and answers

### Can you use mandelic acid and theanine together?

Yes, you can use [mandelic acid](https://lovi.care/skincare/uk/ingredients/mandelic-acid) and [theanine](https://lovi.care/skincare/uk/ingredients/theanine) together in mild daily exfoliants or balancing toners to strengthen the skin's hydration matrix and buffering capacity. Lovi gives this pairing a High fit rating for normal to dry, sensitive skin.

### Which goes first, mandelic acid or theanine?

Mandelic acid and theanine work well together and can be combined in mild daily exfoliants or balancing toners. Lovi rates the fit as High.

### Are mandelic acid and theanine good for sensitive skin?

Yes, mandelic acid and theanine work well together in mild daily exfoliants or balancing toners to strengthen the skin's hydration matrix and buffering capacity. This combination is especially beneficial for normal to dry, sensitive skin.

## Research on mandelic acid and theanine

- [Comparative study of efficacy and safety of 45% mandelic acid versus 30% salicylic acid peels in mild-to-moderate acne vulgaris](https://pubmed.ncbi.nlm.nih.gov/31553119/) Mandelic acid · Journal of Cosmetic Dermatology, 2020
- [Chemical peels for acne vulgaris: a systematic review of randomised controlled trials](https://pubmed.ncbi.nlm.nih.gov/29705755/) Mandelic acid · BMJ Open, 2018
- [Combining Topical and Oral Botanicals for Skin Redness, Pigmentation, Sleep, and Mood: A Randomized Controlled Study](https://pubmed.ncbi.nlm.nih.gov/36431167/) Theanine · Journal of Clinical Medicine, 2022

## Other combinations

- Keep them apart: [Benzoyl peroxide and mandelic acid](https://lovi.care/skincare/uk/ingredients/benzoyl-peroxide-and-mandelic-acid)
- Keep them apart: [Retinol and mandelic acid](https://lovi.care/skincare/uk/ingredients/retinol-and-mandelic-acid)
- Depends on the strength: [Niacinamide and mandelic acid](https://lovi.care/skincare/uk/ingredients/niacinamide-and-mandelic-acid)
- Work well together: [Mandelic acid and sodium lactate](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-sodium-lactate)
- Work well together: [Mandelic acid and tromethamine](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-tromethamine)
- Work well together: [Mandelic acid and betaine](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-betaine)
- Work well together: [Glycerin and mandelic acid](https://lovi.care/skincare/uk/ingredients/glycerin-and-mandelic-acid)
- Depends on the strength: [Mandelic acid and hyaluronic acid](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-hyaluronic-acid)
- Work well together: [Acetyl hexapeptide-3 and theanine](https://lovi.care/skincare/uk/ingredients/acetyl-hexapeptide-3-and-theanine)
- Work well together: [Bio-placenta peptides and theanine](https://lovi.care/skincare/uk/ingredients/bio-placenta-peptides-and-theanine)
- Work well together: [Collagen peptide and theanine](https://lovi.care/skincare/uk/ingredients/collagen-peptide-and-theanine)
- Work well together: [Copper peptide and theanine](https://lovi.care/skincare/uk/ingredients/copper-peptide-and-theanine)
- Work well together: [Hexapeptide and theanine](https://lovi.care/skincare/uk/ingredients/hexapeptide-and-theanine)
- Work well together: [Hexapeptide-9 and theanine](https://lovi.care/skincare/uk/ingredients/hexapeptide-9-and-theanine)
- Work well together: [Palmitoyl pentapeptide-4 and theanine](https://lovi.care/skincare/uk/ingredients/palmitoyl-pentapeptide-4-and-theanine)
- Work well together: [Palmitoyl tripeptide-1 and theanine](https://lovi.care/skincare/uk/ingredients/palmitoyl-tripeptide-1-and-theanine)
- Work well together: [Peptide-rich plasma and theanine](https://lovi.care/skincare/uk/ingredients/peptide-rich-plasma-and-theanine)
- Work well together: [Triple peptide blend and theanine](https://lovi.care/skincare/uk/ingredients/triple-peptide-blend-and-theanine)
- Keep them apart: [Acetyl hexapeptide-3 and mandelic acid](https://lovi.care/skincare/uk/ingredients/acetyl-hexapeptide-3-and-mandelic-acid)
- Keep them apart: [Bio-placenta peptides and mandelic acid](https://lovi.care/skincare/uk/ingredients/bio-placenta-peptides-and-mandelic-acid)
- Keep them apart: [Carnosine and mandelic acid](https://lovi.care/skincare/uk/ingredients/carnosine-and-mandelic-acid)
- Keep them apart: [Mandelic acid and collagen peptide](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-collagen-peptide)
- Keep them apart: [Mandelic acid and copper peptide](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-copper-peptide)
- Keep them apart: [Hexapeptide and mandelic acid](https://lovi.care/skincare/uk/ingredients/hexapeptide-and-mandelic-acid)
- Keep them apart: [Mandelic acid and hexapeptide-9](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-hexapeptide-9)
- Keep them apart: [Mandelic acid and palmitoyl pentapeptide-4](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-palmitoyl-pentapeptide-4)
- Keep them apart: [Mandelic acid and palmitoyl tripeptide-1](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-palmitoyl-tripeptide-1)
- Keep them apart: [Mandelic acid and peptide-rich plasma](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-peptide-rich-plasma)
- Keep them apart: [Mandelic acid and triple peptide blend](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-triple-peptide-blend)
- Keep them apart: [Adapalene and mandelic acid](https://lovi.care/skincare/uk/ingredients/adapalene-and-mandelic-acid)
- Keep them apart: [Mandelic acid and granactive retinoid](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-granactive-retinoid)
- Keep them apart: [Mandelic acid and hydroxypinacolone retinoate](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-hydroxypinacolone-retinoate)
- Keep them apart: [Pro-retinol and mandelic acid](https://lovi.care/skincare/uk/ingredients/pro-retinol-and-mandelic-acid)
- Keep them apart: [Retinal and mandelic acid](https://lovi.care/skincare/uk/ingredients/retinal-and-mandelic-acid)
- Keep them apart: [Mandelic acid and retinoid blend](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-retinoid-blend)
- Keep them apart: [Tretinoin and mandelic acid](https://lovi.care/skincare/uk/ingredients/tretinoin-and-mandelic-acid)
- Work well together: [Mandelic acid and gluconolactone](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-gluconolactone)
- Work well together: [Mandelic acid and lactobionic acid](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-lactobionic-acid)
- Work well together: [Mandelic acid and cholesterol](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-cholesterol)
- Work well together: [Mandelic acid and lauric acid](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-lauric-acid)
- Work well together: [Linoleic acid and mandelic acid](https://lovi.care/skincare/uk/ingredients/linoleic-acid-and-mandelic-acid)
- Keep them apart: [Mandelic acid and tri-ceramide complex](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-tri-ceramide-complex)
- Work well together: [AHA blend glycolic and citric acids and theanine](https://lovi.care/skincare/uk/ingredients/aha-blend-glycolic-and-citric-acids-and-theanine)
- Work well together: [Citric acid and theanine](https://lovi.care/skincare/uk/ingredients/citric-acid-and-theanine)
- Work well together: [Glycolic acid and theanine](https://lovi.care/skincare/uk/ingredients/glycolic-acid-and-theanine)
- Work well together: [Lactic acid and theanine](https://lovi.care/skincare/uk/ingredients/lactic-acid-and-theanine)
- Work well together: [Arginine and mandelic acid](https://lovi.care/skincare/uk/ingredients/arginine-and-mandelic-acid)
- Work well together: [Mandelic acid and GABA](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-gaba)
- Work well together: [Silk amino acids and mandelic acid](https://lovi.care/skincare/uk/ingredients/silk-amino-acids-and-mandelic-acid)
- Work well together: [Taurine and mandelic acid](https://lovi.care/skincare/uk/ingredients/taurine-and-mandelic-acid)
- Work well together: [Ferulic acid and mandelic acid](https://lovi.care/skincare/uk/ingredients/ferulic-acid-and-mandelic-acid)
- Work well together: [Vitamin E and mandelic acid](https://lovi.care/skincare/uk/ingredients/vitamin-e-and-mandelic-acid)
- Keep them apart: [Azelaic acid and mandelic acid](https://lovi.care/skincare/uk/ingredients/azelaic-acid-and-mandelic-acid)
- Keep them apart: [Salicylic acid and mandelic acid](https://lovi.care/skincare/uk/ingredients/salicylic-acid-and-mandelic-acid)
- Work well together: [Hyaluronic acid and theanine](https://lovi.care/skincare/uk/ingredients/hyaluronic-acid-and-theanine)
- Work well together: [Allantoin and mandelic acid](https://lovi.care/skincare/uk/ingredients/allantoin-and-mandelic-acid)
- Work well together: [Mandelic acid and bisabolol](https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-bisabolol)
- Work well together: [Panthenol and mandelic acid](https://lovi.care/skincare/uk/ingredients/panthenol-and-mandelic-acid)

## About the Lovi Fit

Lovi: Unbiased, science-based skincare AI trained on real user outcomes.

Lovi checks every pairing with brand-independent rules its 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. Levels from best to worst: Superior, High, Average, Low, Caution, Warning.

Behind this pairing advice: Nadia Kapleva, MS (Co-founder, Medical Director); Alexey Shagraev, PhD (Co-founder, CEO and CTO); Dr. Sofía Perea Pérez, MD, MSc (Medical Board); Aishani Shah, MD (Medical Board); Asya Zubkova, MS (Medical Board); Hanna Kurets, MD (Medical Board, Medical Advisor); Elina Nazarenko, MD (Medical Board); Victoria Derkova, MS (Medical Board).

Page built Nov 8, 2026.

More from Lovi: https://lovi.care/skincare/llms.txt

## This page in other countries

- United States: https://lovi.care/skincare/ingredients/mandelic-acid-and-theanine
- United Kingdom: https://lovi.care/skincare/uk/ingredients/mandelic-acid-and-theanine (this page)
- Ireland: https://lovi.care/skincare/ie/ingredients/mandelic-acid-and-theanine
- Germany: https://lovi.care/skincare/de/ingredients/mandelic-acid-and-theanine
- France: https://lovi.care/skincare/fr/ingredients/mandelic-acid-and-theanine
- Italy: https://lovi.care/skincare/it/ingredients/mandelic-acid-and-theanine
- Netherlands: https://lovi.care/skincare/nl/ingredients/mandelic-acid-and-theanine
- Spain: https://lovi.care/skincare/es/ingredients/mandelic-acid-and-theanine
- Canada: https://lovi.care/skincare/ca/ingredients/mandelic-acid-and-theanine
- Australia: https://lovi.care/skincare/au/ingredients/mandelic-acid-and-theanine
- Singapore: https://lovi.care/skincare/sg/ingredients/mandelic-acid-and-theanine
- Saudi Arabia: https://lovi.care/skincare/sa/ingredients/mandelic-acid-and-theanine
- United Arab Emirates: https://lovi.care/skincare/ae/ingredients/mandelic-acid-and-theanine