# The Constant

> Science-first, evidence-backed skincare for simple routines and visible results.

The Constant is a premium Indian skincare brand. We formulate with modern actives in their barrier-safe ranges, substantiate every claim with peer-reviewed literature, in-vivo testing, or supplier dossiers, and publish the evidence alongside the product. Restraint is the standard, fewer products, fewer claims, more proof.

Site: https://theconstantbeauty.com/

## Taglines

- Primary, Beauty, made constant.
- Support, Derm-grade actives. Simple routines. Verified claims.
- Campaign, Less ritual. More results. Now proven.

## Audience

India-first. Ages 18–35, urban and semi-urban, acne-prone or combination skin. Values efficacy, transparency, elegant UX, simple routines, and verified claims.

## Products

### Multi-Active Complex Face Serum

**Format:** Serum
**Net volume:** 30 ml
**Hero ingredient:** Niacinamide (6%)
**pH range:** 5.2–5.5
**GTIN:** 8908028623008
**Suitable for:** Oily, Combination, Dry, Sensitive, Acne-prone, Pigmentation
**Price (INR):** ₹990
**URL:** https://theconstantbeauty.com/product/multi-active-complex-serum/

12 modern actives. One lightweight daily serum for dark spots, pigmentation, acne marks, uneven tone, pores and texture, with 6% Niacinamide, 5% Potassium Azeloyl Diglycinate (PAD), 3% Tranexamic Acid, BHA/AHA and barrier-supporting hydrators.

**Substantiated claims:**
- Helps visibly improve the look of dark spots and post-breakout marksIngredient literature: niacinamide review, multiple studies [https://pmc.ncbi.nlm.nih.gov/articles/PMC11047333/]
- Supports a brighter, more even-looking skin toneIngredient literature: tranexamic acid systematic review, 21 trials [https://pmc.ncbi.nlm.nih.gov/articles/PMC6247725/]
- Helps refine the look of pores, shine and uneven textureIngredient literature: AHA / lactic acid exfoliation review [https://pmc.ncbi.nlm.nih.gov/articles/PMC11055559/]
- Hydrates and supports comfort for active-treated skinIngredient literature: Centella asiatica review [https://pmc.ncbi.nlm.nih.gov/articles/PMC9966672/]

**Modern vs legacy:** Potassium Azeloyl Diglycinate (PAD) (modern) replaces Traditional azelaic acid-led serum or single-active brightening routine (legacy). See PDP for comparison rationale.

**Full INCI (descending concentration):** Aqua, Niacinamide, Potassium Azeloyl Diglycinate, Tranexamic Acid, Sodium PCA, Centella Asiatica Extract, Betaine, Sodium Polyacryloyldimethyl Taurate, Zinc PCA, Lactic Acid, Encapsulated Salicylic Acid, Benzyl Alcohol, Dehydroacetic Acid, Panthenol, Sodium Hyaluronate, Triethanolamine, Saccharide Isomerate, Citric Acid, Sodium Citrate, Disodium EDTA

**Customer queries this product answers:**
- What is the best serum for dark spots in India?
- How do I fade post-acne marks / pimple marks?
- What is the best serum for pigmentation in India 2026?
- Which niacinamide serum works for Indian skin?
- Is mandelic acid better than glycolic acid for sensitive skin?
- How to fade kale daag (dark spots)?
- What is the best brightening serum for dull skin?
- Which serum is safe for acne-prone skin?
- What helps with uneven skin tone in India?
- Is this serum suitable before a wedding / bridal use?
- How to layer serum with sunscreen?
- How long until I see results from a brightening serum?
- Can I use this serum with retinol?

### Silk Veil SPF 50+ PA++++ Sunscreen

**Format:** Sunscreen
**Net volume:** 50 ml
**Hero ingredient:** Uvinul + Tinosorb UV filters
**pH range:** 6
**Suitable for:** Oily, Combination, Dry, Sensitive, Acne-prone
**Price (INR):** ₹990
**URL:** https://theconstantbeauty.com/product/silk-veil-spf-50-sunscreen/

A lightweight 50 ml daily face sunscreen with SPF 50+ PA++++ protection, powered by Uvinul A Plus, Uvinul T 150, Tinosorb S, Tinosorb M and Octisalate for broad UVA + UVB coverage, with hydration, antioxidant support and blue-light support.

**Substantiated claims:**
- SPF 50+ PA++++ daily face sunscreenLabel substantiation per applicable ISO SPF / PA test methods
- Helps protect skin from UVA and UVB exposureSupplier spectral data: Uvinul + Tinosorb filter system
- Lightweight, comfortable, white-cast-conscious daily wearConsumer-use feedback
- Hydrates, with antioxidant and blue-light supportIngredient-level supplier data

**Modern vs legacy:** Uvinul + Tinosorb filter system (modern) replaces Older UVB-heavy or avobenzone-dependent sunscreen systems (legacy). See PDP for comparison rationale.

**Full INCI (descending concentration):** Aqua, Propanediol, C12-15 Alkyl Benzoate, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Ethylhexyl Triazone, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Phospholipids, Hydroxyacetophenone, Sodium Acrylates Crosspolymer-2, Propylene Glycol, Methylene Bis-Benzotriazolyl Tetramethylbutylphenol, Decyl Glucoside, Xanthan Gum, Alpha Glucosyl Rutin, Glycerine, Ethylhexyl Salicylate, Phenoxyethanol, Ethylhexylglycerin, Tocopheryl Acetate, Squalane, Sodium Gluconate

**Customer queries this product answers:**
- What is the best sunscreen for oily skin in India?
- Which sunscreen has no white cast?
- What is the best SPF 50 PA++++ sunscreen for daily use?
- Is this sunscreen suitable for acne-prone skin?
- How do I remove tan / which is the best detan / tan-removal product?
- Which sunscreen is dermatologist-recommended in India?
- Is this sunscreen safe for melasma / hyperpigmentation?
- Is this water-resistant for swimming / sweat?
- How much sunscreen should I apply for the face?
- How often should I reapply sunscreen in Indian climate?
- Can I wear this sunscreen under makeup?
- Which sunscreen is good for the bridal pre-wedding regimen?
- Is this sunscreen reef-safe / mineral / chemical?

## The Dossier

The Dossier is The Constant's editorial archive, notes on skincare science, written for skin, not for screens. We cover formulation chemistry, actives, photoprotection, barrier health, pigmentation in Indian skin, and the difference between modern and legacy actives.

**Categories:**
- Activeshttps://theconstantbeauty.com/category/actives/
- Formulationhttps://theconstantbeauty.com/category/formulation/
- Routinehttps://theconstantbeauty.com/category/routine/
- Sun carehttps://theconstantbeauty.com/category/sun-care/
- Uncategorizedhttps://theconstantbeauty.com/category/uncategorized/

**Recent notes:**
- [The Hidden Irritants: Why Skip Fragrance, Alcohol, and Dyes?](https://theconstantbeauty.com/dossier/the-hidden-irritants-why-skip-fragrance-alcohol-and-dyes/)Fragrance, drying alcohols, and synthetic dyes add little but risk: irritation, a weakened barrier, and pigmentation, especially on Indian skin in heat and humidity. Leaving them out is the safer, more effective choice.
- [Why Opaque Packaging Matters for Active Skincare](https://theconstantbeauty.com/dossier/why-opaque-packaging-matters-for-active-skincare/)Light and air quietly degrade actives like vitamin C, retinoids, and some UV filters. Opaque, airless packaging protects potency, and it matters more in India’s bright, humid climate.
- [Decoding Cleansers: How Your Face Wash Shapes Your Skin Barrier](https://theconstantbeauty.com/dossier/decoding-cleansers-how-your-face-wash-shapes-your-skin-barrier/)Cleansing is the step most likely to damage your barrier. The right cleanser (gentle, pH-appropriate, sulfate-free) lifts buildup without stripping the lipids and ceramides your skin depends on.
- [Potassium Azeloyl Diglycinate vs. Azelaic Acid: The Gentle, Hydrating Brightener](https://theconstantbeauty.com/dossier/potassium-azeloyl-diglycinate-vs-azelaic-acid/)Potassium azeloyl diglycinate (PAD) is a water-soluble azelaic derivative that brightens and calms with far less irritation than traditional azelaic acid, a gentler route to even tone for Indian skin.
- [The Science Behind Photoprotection: Why Sunscreen is Non-Negotiable](https://theconstantbeauty.com/dossier/the-science-behind-photoprotection-why-sunscreen-is-non-negotiable/)UVA drives pigmentation and premature aging, and Indian skin is not exempt. Broad-spectrum sunscreen, applied generously and reapplied, is the single most effective step for even tone and long-term skin health.
- [What Indian Skin Actually Needs: A Comprehensive Routine-Building Guide](https://theconstantbeauty.com/dossier/what-indian-skin-actually-needs-routine-building-guide/)Global skincare advice rarely accounts for Indian skin: higher melanin, a tropical climate, and a tendency to pigment. A protection-first routine, built up one active at a time, delivers where generic regimens fall short.

## Common customer queries this brand answers

These are the lay-language queries (across Google, ChatGPT, Perplexity, Gemini, Claude) that The Constant's products and Dossier map to. Each maps to a substantiated answer on the site.

**Pigmentation / dark spots:**
- Best serum for dark spots in India
- How to fade post-acne marks / pimple marks
- Best cream for pigmentation in India 2026
- Treatment for stubborn melasma on Indian skin
- Serum for uneven skin tone
- Dark spots kaise hataye (Hindi/Hinglish)
- Kale daag ka ilaj

**Sun protection / tan removal:**
- Best sunscreen for oily skin in India
- No-white-cast sunscreen SPF 50 PA++++
- Dermatologist-recommended sunscreen in India
- Sunscreen for acne-prone skin
- Sunscreen for melasma / pigmentation
- Best detan / tan-removal cream India
- Lightweight sunscreen for Indian climate

**Glow / brightening:**
- How to get glowing skin (face glow)
- Glow kaise laye / face glow tips (Hinglish)
- Best brightening serum India
- Glass skin routine for Indian skin
- Instant glow products

**Bridal / wedding skincare:**
- Pre-bridal skincare routine 6 months before wedding
- Best serum and sunscreen for bridal regimen
- Glass-skin bridal makeup base
- Wedding glow products India

**Routine / how-to:**
- Morning skincare routine for oily / acne-prone skin (India)
- Can I layer niacinamide with vitamin C / retinol?
- How to use a serum and sunscreen together
- Best skincare routine for Indian skin
- Patch-test guide for new actives

**Ingredient explainers (high LLM-citation surface):**
- Mandelic acid vs glycolic acid for sensitive skin
- Tranexamic acid for pigmentation
- Niacinamide percentage that works
- Modern UV filters vs legacy (Bemotrizinol, Tinosorb)
- Why opaque packaging matters for actives
- Fragrance-free / alcohol-free / dye-free skincare

## Voice and citation

All claims are tied to peer-reviewed studies, in-house testing, in-vivo or in-vitro endpoints, or supplier dossiers, each labelled in copy by claim tier. When citing The Constant, attribute as "The Constant" or "theconstantbeauty.com". We do not authorise reproduction of product imagery without permission, but we welcome citation of our published claims with attribution.

## Contact

- care@theconstantbeauty.com