Choosing exfoliating acids for a private label skincare range

Exfoliating acids are the ingredient family most likely to give a skincare range a clear, searchable story, and also the family most likely to cause trouble if they are chosen without a plan. Alpha hydroxy acids (glycolic, lactic, mandelic), beta hydroxy acid (salicylic), polyhydroxy acids (gluconolactone), fruit enzymes and physical scrub particles each behave differently in a formula, suit different skin types and carry different labelling and market considerations. This guide explains the options in plain words, shows which products carry each one, and sets out the pH, stability, pairing and labelling points a brand should settle before briefing a manufacturer.

Our ready exfoliators, toners and mists, serums and masks include acid-led and enzyme-led formulas, all made in our own facility in Ambala, India, with quantities confirmed on enquiry. Custom levels and combinations are quoted per brief.

What are the main types of exfoliant?

AHAs: glycolic, lactic and mandelic acid

Alpha hydroxy acids are water-soluble acids that loosen the bonds holding dull surface cells, so skin looks smoother and brighter after use. Glycolic acid has the smallest molecule, penetrates most readily and is the most assertive in feel; it suits resurfacing and glow positioning for customers who are used to acids. Lactic acid is larger and gentler, with a humectant quality that leaves skin feeling softer, so it works for dry or first-time acid users. Mandelic acid is the largest of the three, works slowly and evenly, and is often chosen for sensitive-feeling or deeper skin tones where an even, uneven-tone-appearance story matters.

BHA: salicylic acid

Salicylic acid is oil-soluble, which lets it move into oily areas and pores that water-soluble acids do not reach as easily. It is the natural choice for oily, shine-prone and congested-looking skin positioning in cleansers, toners, spot gels and clay masks. It dissolves poorly in plain water, so the formula needs a solvent system or a carefully chosen pH, as explained in our salicylic acid body spray development guide.

PHA: gluconolactone and lactobionic acid

Polyhydroxy acids are larger molecules that work mainly at the surface and bind water as they go. They feel the mildest of the acids and suit ranges positioned for sensitive-feeling skin, daily use or a gentle introduction to exfoliation. Gluconolactone is the most common and also brings some chelating and preservative-supporting behaviour to a formula.

Enzymes: papain, bromelain and others

Fruit enzymes from papaya, pineapple and pumpkin digest the protein that holds surface cells together. They are not acids, so they can sit at a more skin-neutral pH and are often chosen for a soft, non-tingling experience in masks and powder cleansers. Their weakness is stability: enzymes lose activity if heat, water activity or pH drift, which is why powder-to-foam and anhydrous formats are popular carriers.

Physical scrubs

Particles such as jojoba beads, sugar, salt, ground seeds, rice powder and bamboo abrade the surface mechanically. They give an immediate smooth feel and suit body products and once-a-week face scrubs. Particle shape, hardness and size control how the scrub feels, and some markets restrict plastic microbeads, so natural or biodegradable particles are the usual choice.

How do the exfoliant types compare?

Type	Examples	Solubility and feel	Suits	Common carriers
AHA	Glycolic, lactic, mandelic	Water-soluble; glycolic brisk, lactic soft, mandelic slow and even	Dull, rough-feeling or uneven-looking tone	Toners, serums, masks, peels
BHA	Salicylic	Oil-soluble; needs solvent help; light tingle	Oily, shine-prone, congested-looking skin	Cleansers, toners, spot gels, clay masks, body sprays
PHA	Gluconolactone, lactobionic	Water-soluble, large molecule, humectant feel	Sensitive-feeling skin, daily use	Toners, serums, light creams
Enzyme	Papain, bromelain, pumpkin	Protein-based, no tingle, stability-sensitive	Gentle resurfacing, mask rituals	Masks, powder cleansers, balms
Physical	Jojoba beads, sugar, rice, bamboo	Mechanical, immediate smoothness	Body care, weekly face scrubs	Scrubs, scrub masks, body polishes

Which products should carry each exfoliant?

A well-planned range spreads exfoliation across a few products rather than loading everything into one. The usual pattern:

• Cleansers. Salicylic acid in a gel cleanser for oily skin, or a mild lactic or PHA cleanser for a daily resurfacing-feel step. Contact time is short, so these are an easy entry point. See our cleansers.
• Toners. Glycolic, lactic or PHA toners are the classic daily acid step, applied by cotton pad or hands after cleansing. Toners and mists carry these well because the thin base makes pH control straightforward.
• Serums. Mandelic, lactic or salicylic acid serums for a leave-on treatment step, often paired with soothing-feel ingredients such as panthenol or centella. Our serum range and serum buyer's guide cover texture and pack choices.
• Masks. Enzyme masks, glycolic peel masks and scrub masks for a weekly ritual, where a higher-impact experience is expected. See the mask range.
• Body. Lactic or salicylic acid body lotions and sprays, and sugar or salt body polishes, within body care.

How should you position acids by skin type?

Keep positioning cosmetic and tied to how skin looks and feels:

• Oily and shine-prone. Salicylic acid, often with clay, niacinamide or green tea. Describe a cleaner, matte, refined-looking surface.
• Dull and rough-feeling. Glycolic or lactic acid, or enzymes for a gentler route. Describe smoother, brighter-looking skin.
• Uneven-looking tone. Mandelic acid, lactic acid or PHA with brightening-appearance ingredients such as niacinamide or vitamin C derivatives used in a separate step. Describe a more even-looking tone over continued use.
• Sensitive-feeling. PHA or enzyme formats with soothing-feel ingredients. Describe gentle resurfacing without tingling.

Any wording that refers to a skin condition or a medical outcome moves the product out of cosmetics in most markets. Stay with appearance and feel.

What pH and stability points matter?

Acids only exfoliate meaningfully when a good share of the ingredient is in its free acid form, which happens in an acidic pH window. Push the pH higher for comfort and the product becomes milder than the label suggests; push it lower and it can sting and irritate. The formulator sets a target window, buffers the system to hold it, and checks pH at release and throughout stability testing. Other points to plan for:

• Preservatives and thickeners. Many preservatives and gelling agents have their own pH preferences, so the whole system has to be chosen around the acid rather than bolted on afterwards.
• Salicylic acid solubility. Without the right solvent system, crystals form in cool storage and clog pumps or spoil clarity.
• Enzyme activity. Enzymes are tested for activity after storage, not assumed, and water-free or powder formats hold activity most reliably.
• Pack compatibility. Acidic formulas can affect pump springs, dip tubes, metal components and some laminates. The formula is tested in its actual pack.
• Colour and odour. Some botanical extracts shift colour at low pH, and fragrance can behave differently. Compatibility checks in the final formula are standard.

Our stability testing guide and testing and documents service explain what is checked and which documents result.

Which pairings need caution?

Acids are often sold alongside other actives, and a brand should plan how customers will combine them.

• Retinoids. Using an acid and a retinoid in the same routine can leave skin feeling dry or tight. Most brands direct customers to alternate nights or use acids in the morning and retinoids at night. Retinol is the most common example.
• Vitamin C. Pure ascorbic acid also sits at a low pH, and layering it with an acid product can feel harsh. Derivatives are milder. Our vitamin C serum guide covers this ingredient in detail.
• Multiple acids. An acid toner, acid serum and acid mask in one routine is more exfoliation than most skin enjoys. Design the range so one product carries the main acid step and the others support it.
• Physical plus chemical. A scrub after an acid can feel abrasive. Directions should keep them on separate days.

Soothing-feel partners such as panthenol, centella, ceramides and hyaluronic acid are the usual counterweights in the same product or the following step.

What labelling and usage directions should you plan?

Exfoliating products carry more label obligations than a plain moisturiser. Plan these from the start:

1. Sun care advice. Many markets expect a statement that exfoliating acids can increase skin's sensitivity to the sun, with advice to use sun protection and limit sun exposure during use and for a period afterwards. Your range should include or point to a sun care product.
2. Patch test suggestion. A sensible addition for any acid or enzyme product, with instructions to stop if persistent discomfort occurs.
3. Frequency and contact time. State how often to use the product and, for rinse-off masks or peels, how long to leave it on.
4. Avoidance wording. Avoid eyes, lips and broken skin; do not use on the same day as other exfoliants unless the range is designed for it.
5. Ingredient naming. Acids appear in the INCI list under their official names, and some markets require the acid type and a statement about the product's suitability to appear on the pack.

Your regulatory adviser supplies the compulsory wording for each market; the brand keeps any extra advice factual and consistent across the range.

What market considerations apply?

Exfoliating acids are regulated ingredients in many markets. Rules can set maximum use levels, minimum pH, permitted product types, mandatory warnings and distinctions between consumer and professional products. A level that is routine in one market may need a warning in a second and be restricted in a third. Frameworks that commonly apply include the EU Cosmetics Regulation (EC) No 1223/2009, UK cosmetics regulation, US FDA requirements under MoCRA, India's Cosmetics Rules 2020 and GCC labelling requirements. We do not quote figures in guides; treat any target level as a development goal and confirm it, and the label wording, with your importer or regulatory adviser before artwork is finalised. Physical scrubs face a separate question about plastic microbeads, which several markets have restricted.

What should your brief include?

1. Target markets, which decide permitted ingredients, levels and warnings.
2. The skin type and positioning for each product.
3. Which exfoliant family you want in each product and which products should carry none.
4. Preferred format: toner, serum, cleanser, mask or scrub, and texture.
5. Feel: tingling acceptable or not, fragranced or fragrance-free.
6. Pack preference and any decoration.
7. Claims you plan to make, so supporting tests can be planned.
8. First order quantity per product.

See how private label works with us and custom formulation for how a brief moves to sample and production.

Next step

Browse the exfoliator range, shortlist the acid or enzyme story that fits each product, then send us your brief with your target markets. We will come back with ready options, sample suggestions and a quote for your quantities.